the accuracy is the same as varget but the velocity is a bit higher with a couple of 10ths less powder. Most powders arent specially formulated to be temperature stable. The Hodgdon powder company is world renowned for introducing revolutionary technology to the reloader. It may not display this or other websites correctly. For example, IMR 4166 is a good replacement for Hodgdon Varget (commonly used in the .223 Rem, 6mmBR and .308 Win), while IMR 4955 is a fine substitute for H4831 (favored by F-Open shooters for the .284 Win and 7mm WSM cartridges). Improved Military Rifle IMR 3031 Improved Military Rifle IMR 4064: 5.56 x 45 mm: Accurate 2495 VihtaVuori N135 VihtaVuori N140: Hodgdon CFE 223 Hodgdon H 335 Improved Military Rifle IMR 8208 XBR VihtaVuori N530 VihtaVuori N540: 5.6 x 50 Magnum: Improved Military Rifle IMR 4064 Winchester 748: 5.6 x 57: Improved Military Rifle IMR 4320: 5.7 x 28 . Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. Some of our Forum members have reported excellent results with IMR 4166 in cartridges that work with Varget, such as the 6mmBR, 6 Dasher, 6.547 Lapua, and .308 Win. Copper fouling should be minimal, allowing shooters to spend more time shooting and less time cleaning a rifle to retain accuracy. Average extreme velocity spread was only 19 fps for 15 Sierra 142-grain MatchKing bullets fired from prepared cases filled with precisely weighed IMR-4166 charges. 7977 is the slowest of the batch, for shoulder thumpers like the .338 Lapua and the .470 Nitro Express. Assuming all other environmental conditions remain the same, an increase in air temperature will cause a flatter trajectory due to a lower air density (easier for the bullet to cut through the air). Many F-Open competitors are now using Reloder 16 with considerable success. : (913) 362-9455; E-mail: [emailprotected]; Web: www.imrpowder.com, (Disclaimer: The loads described above were safe for this rifle, on this particular day. Find load data for IMR 8133 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 8133 is the slowest burn rate in the Enduron family. works great in many cartridges with good to great accuracy. For example, variation in velocity does NOT appear to be linear across the full range of temperatures. Be the first to share your insights. Learn more about Enduron powders at www.enduronimr.com. Very happy with the results. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; Well, Im done Adulting for Today and Tomorrow. In addition, it is a longtime favorite of Match shooters. Be sure to enter theNES/MFS March Giveaway ***Taurus G3c***. spitzer boat tail & imr 4166, .223 rem. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Load data for the new IMR 4166 was taken from Hodgdon's 2015 Annual reloading manual, and in increments of .3 grains or less, loads were worked up from 24.0 through 25.1 grains of IMR 4166. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Other than that , great job, thanks. worst groups at .5 moa most groups around the .3 moa mark. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Tag: IMR 4166 Loading for the AR-15 with the LEE Auto-Drum Powder Measure. That provided two sets of velocity numbers. Find load data for IMR 4895 propellant by clicking the button "Loads for this Powder".More about this powder:Originally a military powder featured in the 30-06, IMR 4895 is extremely versatile as a medium burn speed propellant. However, Alliants relatively new Reloder 16 is an extremely temp-stable powder, with a burn rate that is a close match to H4350. 4166 is the fastest burning powder, for cartridges like .223 Remington and .308 Winchester. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. Trail Boss Reduced Rifle Load. The IMR brand was first introduced under DuPont in the 1930s. You may not reproduce original text or photos without advanced permission in writing. For more information, go towww.P65Warnings.ca.gov. Trim to length as needed, clean/uniform the primer pockets, reprime, charge with powder, verify powder charges, seat bullets to specific overall length, perform final inspection, box, and label. It provides top performance in big game cartridges such as 25-06, 280 Remington and 300 Winchester Magnum. Find load data for IMR 4451 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4451 is a versatile, match-grade propellant with a mid-range burn speed in the Enduron line. bolt reload data with 65gr. CLICK HERE to Read Full Powder Temperature Stability Test on Precision RifleBlog.com. I much prefer IMR 8208 XBR for the 223. flyfisher117 Professional Milk Jug Hunter. IMRs press release states: IMR 4166 [has] a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington and dozens more.. (5.56 x 45 NATO) .223 WSSM .224 Valkyrie .224 Weath. IMR 4166 + 55gr V-Max in 223 Rem tailbon3 Jan 19, 2017 Help Support Long Range Hunting Forum Become a supporting member tailbon3 Well-Known Member Joined Aug 24, 2009 Messages 84 Jan 19, 2017 #1 I'm looking for some load data for the 55gr V-Max in 223 Remington with IMR 4166. OK, we're down to 1/3 MOA with a bit more to go. I have heard the same criticism from other forum members. Some powders are more affected by changes in temperature than others. So, I'd use it for loads listed by Hodgdon. I have enough on hand to last for a while, but when I found some IMR 4166 available, I decided to try it for my MPA .308. If you are the site owner (or you manage this site), please whitelist your IP or if you think this block is an error please open a support ticket and make sure to include the block details (displayed in the box below), so we can assist you in troubleshooting the issue. Second, Enduron powders are all very temp-stable. I live in florida and shoot the same load all year. Find load data for IMR TrailBoss propellant by clicking the button "Loads for this Powder".More about this powder:Find load data for Accurate 5770 propellant by clicking the button "Loads for this Powder".More about this powder:Trail Boss was designed specifically for low-velocity lead bullets suitable for Cowboy Action shooting. I loaded 23.5 gr in Lapua brass with no trouble using a 10" drop tube: http://www.xxicsi.com/powder-funnel.html FPS low 2735 high 2789 Reduced Rifle Loads. _gaq.push(['_setDomainName', '.accurateshooter.com']); This propellant performs comparably to Hodgdon Varget but charge weights are materially different. It was less accurate than 4 other powders. We place limited powder inventory for sale on a regular basis on our website. It is also outstanding in cartridges like the 444 Marlin and 7.62 X 39. Versatility with uniformity and accuracy. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. It is primarily a pistol powder but has some application in rifles. IMR now offers four Enduron powders that cover a broad range of burn rates. At the 2015 Shot Show they did just that and released the IMR Enduron Line. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. It is expected to perform well in the .308 Winchester and in 6mm cartridges running the heavier (95-107gr) projectiles. Sounds familiar! I use this powder in my 6mm dasher bench gun. Once they had a couple dozen rounds loaded with each powder, they went and shot them with each powder at 25 F, 65 F, and 140 F. The muzzle velocity of each shot was recorded using both a LabRadar Doppler Radar and a MagnetoSpeed Chronograph. . OAL 2770 Sierra Case Here on Ultimate Reloader you can count on a LOT of AR-15 content coming over the next year: everything from reloading .223/5.56, to hunting, a lot more with suppressors, and some custom AR-15 rifle action! I'm looking for some load data for the 55gr V-Max in 223 Remington with IMR 4166. You are using an out of date browser. ALL THE LOAD DATA YOU'LL EVER NEED ALL IN ONE PLACE! I can imagine you might have a little more difficulty with case volume and fill ratio due to kernel size. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. I've had good luck with 8208 with 77gr SMK's and 69gr Nosler Competition Customs Hoon Rating - 100% 1 0 0 Joined Mar 2, 2013 Messages IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Be Alert: Publisher cannot be responsible for errors in published load data. Being a short-grain extruded powder it can be dumped from a powder measure; however I always opt to use a dispenser like the Hornady Auto charge. IMR 4166 powder? IMR 4166 is an extruded stick powder. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 7977 is a slower burn rate in the Enduron family. Thanks, Posted by Phillip Jackson on Aug 1st 2021. We do not take backorders and our Tech Services team cannot take orders via email or phone. 44gr 4166 IMR powder has long been a choice powder for knowledgeable reloaders. Copper fouling reduction these powders contain an additive that drastically reduces copper fouling in the gun barrel. .225 Win. IMR 4166 Enduron Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. The 223 is the most common round. This propellant performs comparably to Hodgdon H4350 but charge weights are materially different. (function() { That means swings in ambient outside temperature can affect your internal ballistics, which will directly affect your muzzle velocity, which will change your bullets trajectory. I have a pound of 8208 XBR for 223 development, haven't gotten round tuit yet. Other than that , great job, thanks. Please help us to improve and report any suggestions via our contact form. Using Hodgdon's online Reloading Data Center I find IMR 4166 listed as an appropriate powder for several 223 loads, from 50 grains bullets all the way up to 90 grain bullets. Share the post "Powder Valley has new IMR 4166 Powder in Stock". This powder is comparable to Hodgdon H4350. Was looking for an equivalent powder from H4895 when I ran into the 4166. Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. IMR 4166 Enduron IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. .1 to .2 gr accuracy. both should give you specific info. Environmentally friendly - Enduron technology is environmentally friendly, crafted using raw materials that are not harmful to the environment. Minuteman. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. For info on other IMR powders, visit www.imrpowder.com. It is a true magnum cartridge propellant with outstanding performance in such cartridges as the .300 Winchester Magnum, 7mm Remington Magnum, .338 Lapua and more. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. IMR recently released a new line of powders with Enduron Technology which is also marketed to have extreme temperature stability. PRBs test team also noticed other interesting trends in the data. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are excellent. Whether a rifle is sighted in during the heat of summer, hunted in a November snowstorm or hunting multiple locations with drastic temperature swings, point of impact with ammunition loaded with Enduron technology will be very consistent. imr 4166 for sale .223, .223 loading data imr 4166, .223 rem. Naturally the next step was to combine the two for a new line of powders. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. 3, e-mail Hornady and the powder mfg. _gaq.push(['_trackPageview']); They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. They both love it. When I hit that node It's going to be great. IMR Legendary Powders now offers four (4) Enduron powders: IMR 4166, IMR 4451, IMR 4955, and IMR 7977. * All prices incl. This is an all-new extruded powder with a burn rate similar to Hodgdon Varget. The maxorder quantity of any powder SKU is, https://shop.hodgdon.com/sites/www/files/2022-04/2022-IMR%20Endurons%20SDS.pdf, https://shop.hodgdon.com/sites/www/files/2020-08/sell-sheet-imr-enduron-final.p. Each of these are still favorites with handloaders today! 110 PCS pistol, 2022 Editors Choice Award Winning Ruger 5.7 LC Carbine, 2022 Editors Choice Award Winning Mossberg 940 Pro Tactical 12-gauge, Fiocchi Introduces New 5.7x28mm Subsonic Ammo, Lehigh Defense 115-gr. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. I shot a 4.125", 10-shot group at 600 yds - well under 1 MOA and slightly better than my Varget loads, although they were close enough that I attribute the difference to the shooter. The IMR Enduron line is similar to Hodgdon's Extreme Extruded line, in that it is temperature insensitive. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. .45 ACP and .38 Super, while their rifle offerings range from .223 Remington to .30-06 Springfield. Then Try IMR 4166 Powder", A couple seasons back, PrecisionRifleBlog.com (PRB) published a significant field test of powder temperature stability. First used in battle in 1805 by United States naval forces against pirates off the coast of Algiers, DuPont supplied more than 80% of Allied Forces powder needs in World War I. In this post, I've got some great highlights including the LEE . At 600 yds, the POI with 4166 loads was about 1.2 MOA higher than when using 43.2 gr. The Rifle: Savage 10fcp, 24" 5r, accustock .308 Win, Vortex Viper PST 4-16 Target distance: 100 yards Shot off front and rear sand bags from a bench I bought all three. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. Youll also find official load data in the Hodgdon 2020 Annual Manual. Today, only the newest reloading fuels can exceed that with a 55-grain bullet in the commercial .22-250. Learn more about Enduron powders at www.enduronimr.com. IMR 4166 possesses the fastest burn rate in the Enduron lineup. JavaScript is disabled. First ladder turned out great! . IMR 4166 possesses the fastest burn rate in the Enduron lineup. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. This propellant is ideally suited for many mid-range burn speed cartridges. These short-grain, extruded powders will deliver temperature insensitive quality while keeping copper residue to a minimum. Fired from My Rock River Arms National Match upper, these rounds consistently fetch accuracy in the .75 to 1.25 MOA area. IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. spitzer boat tail & imr 4166, 223 80 gr bullet imr 4166, 223 load with imr 4166, 243 barnes 80 gr ttsx imr 4166 load data, 243 barnes 80gr ttsx imr 4166 load data, 243 barnes ttsx with imr 4166 load data, 243 barns ttsx with imr 4166 . Share the post "Guide to IMRs Enduron Powders What You Need to Know", Powder Valley Inc. (PVI) now has the new IMR 4166 powder. Such loads are marked with an asterisk in the data to show where standard 7828 will not fit. Or maybe have QuickLoad data? Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. var _gaq = _gaq || []; 3, tried this powder and same bullet in the grandson's Ruger77 .223. _gaq.push(['_setDomainName', '.accurateshooter.com']); Share the post "IMR Introduces New Enduron Powders: 4166, 4451, 7977". IMR 4166 possesses the fastest burn rate in the Enduron lineup. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. This powder is comparable to Hodgdon H4831. Reloading 223/ 5.56 for the AR-15 with IMR 4166 30-06JOHN, GUNS AND RELOADING 1.86K subscribers 2.8K views 1 year ago I reload .223/ 5.56 for the AR-15 using a powder not popular, IMR. It is an extruded powder and provides top performance for big game cartridges like 25-06, 270 Winchester, 280 Remington and 300 Win Mag, among other cartridges. Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25 F and 140 F. IMR 4166 performed very similar to Varget, and proved to be fairly insensitive to large swings in temperature. Anyone seen/tried this combo? Reloading 223 Rem./5.56mm is mostly the usual routine. In 2015, IMR will introduce three (3) new Enduron powders: IMR 4166, IMR 4451, and IMR 7977. IMR is an acronym for Improved Military Rifle. It is available right now at Powder Valley in both one-pound ($25.45) and 8-pound ($182.75) containers: IMR4166-01: IMR 4166 1 LB. IMR 7977 is the slowest burn rate Enduron Technology powder. The weight of a kernel of 4166 was almost double the weight of a kernel of H4895, and they were clearly larger. I've only seen a handful of load data for IMR 4166 and 223, it was 69 Sierra and 77 Sierra. Is there a different load data site? When placed and configured optimally, the LabRadar can measure muzzle velocity with +/- 0.1% accuracy, according to the manufacturer. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. First, these powders all feature chemistry that reduces copper fouling. This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. then consider IMR 4166. I'm very happy with this powder. Below you will see today's round robin from 45.0 to 46.4 grains of 4166. [ARCHIVED THREAD] - IMR 4166 .223 Rem. I went online and found data published by the manufacturer, so I worked with that for my 30 06. (see note 1 ). Tried their 7977 in a magnum rifle and it had same accuracy as H1000. In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. JavaScript is disabled. Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. Find load data for IMR 4198 propellant by clicking the button "Loads for this Powder".More about this powder:This fast-burning rifle powder gives outstanding performance in cartridges like the 222 Remington, 221 Fireball, 45-70, and 450 Marlin. Choose from a variety of powders for everything from small-caliber ammo to magnum rifle cartridges in both 1 lb canisters and 8 lb jugs. Share the post "Guide to IMR Enduron Powders: 4166, 4451, 4955, 7977, 8933". I don't see any info for the A-Max though. For this reason, the IMR brand powders truly are Legendary products. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. _gaq.push(['_setAccount', 'UA-6323545-2']); It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Moving on, the individual loads were fired and the barrel was allowed to cool between each group. })(); To comment on a post, click Post Title or "Comment" Link. My factory sierra high 2576 CL 2.005 Find load data for IMR 4831 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4831 has a slightly slower burn rate speed than IMR 4350. Or maybe have QuickLoad data? Bullets ranged from 50- 77 grain , same bullets shot very well with Varget anf H4895 . The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. OAL 2770 Sierra Case You are using an out of date browser. Across the board, the Enduron line is very insensitive to temperature changes, which is important for both match shooters and hunters. As a medium burn speed propellant, XBR is ideally suited for cartridges like the 223 Remington/5.56mm, 308 Winchester/7.62mm NATO and the 6mm PPC. This allows up to 4% more powder space in the case and in many loads yields more velocity than standard 7828. In modern type guns, 4166 IMR Enduron Powder is a viable powder. With Varget so hard to find, if IMR 4166 proves accurate (and available) we might see many .308 Win shooters make the switch. IMR 4166 in .223. With no pressure signs up to 45.8 grains of 4166 I decided to push further and see what I could get. CL 2.005 PRBs testers talk about those things, provide a few other insightful views of the data, and discuss tools that can help you manage temp/muzzle velocity in the field in their full post. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. Anyway, I like the 4166! Loading density is perfect for magnums, contributing to superb uniformity. Ive heard some say 4166 is similar to 4064, which I haven't used or have on hand currently. .308 Winchester (IMR-4166 Data) Warning! The pelletized form makes for faster reloads with pre-formed charges that easily drop down the barrel and is easy to pack without the need for measures or funnels. The accuracy results were almost identical to those of Varget, with my best group coming in at 1.05 MOA from a 24.6-grain charge of 4166not bad for an initial round of load development. Good luck. Shooter's Reference Load Data for .223 Remington .223 Remington - Published Manufacturer Loading Data Shellholders: Hornady #16 Lee #4 Lyman #26 RCBS #10 Recipe Type: Rifle 55,000 PSI STANDARD SAAMI COMMERCIAL SPECIFICATIONS Pistol CUSTOM LONG THROAT Reduced Load Bullet Weight: ALL 30 gr 34 gr 35 gr 36 gr 40 gr 42 gr 43 gr 45 gr 50 gr 51 gr 52 gr Its loading density is perfect for magnum cartridges and contributes to superb uniformity, yielding outstanding performance in 300 Winchester Magnum, 7MM Remington Magnum and .338 Lapua Magnum. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. First run tomorrow. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); of 4166 in Peterson SRP brass topped with 168 gr SMK's seated 0.010" off gave me great performance. _gaq.push(['_setAccount', 'UA-6323545-2']); Love the copper fouling eliminator makes cleaning a breeze. SUBSCRIBE TO OUR NEWSLETTER TO STAY UP ON THE LATEST. View Product Warning DEALER LOCATOR However, to up the ante the Enduron line also utilizes copper fouling reducing technology to help keep your bore free of the hard to remove copper. We place limited powder inventory for sale on a regular basis on our website. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. IMR 4166 was released a few years ago as a temperature insensitive powder that is expected to replace 4064. 4451 is the medium burning powder, for medium cartridges like the .30-06 Springfield and the .270 Winchester. Reloading for 223/556 Service Rifle Competition (NRA/CMP bullseye . The IMR series of handloading powders were the only choice to wring full performance out of rifle calibers. The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940). Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. this stuff is not affected temp at all. If this is true, these powders should prove popular, particularly IMR 4166 which seems to be in the Varget/Reloder 15 burn-rate range. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Generally no two rifles will like the same exact load. Newtosavage Dec 9, 2020 #9 ericwh Well Known Rokslider Joined Mar 9, 2017 Messages 479 Location PA Powder Temp Stability: Hodgdon Extreme vs. IMR Enduron The IMR 4166 shows loads for a 69 hpbt. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; In rifles, this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball. Access from your Country was disabled by the administrator. For info on other IMR powders, visit www.imrpowder.com. IMR now offers five (5) Enduron powders: IMR 4166, IMR 4451, IMR 4955, IMR 7977, and IMR 8133. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. Loading density is perfect for the very large magnums, including the 6.5mm and 7mm magnums. If you enjoy the forum please consider supporting it by signing up for aNES Membership The benefits pay for the membership many times over. h4895 Reduced Rifle Load. When I approached Chris Hodgdon with the question Does it stop copper from fouling or remove it with each shot? with a smirk he responded Its a proprietary formula. 44gr 4166 VISIT THE RDC WHITE HOTS White Hots 50/50 is a 50 Caliber, 50 grain pellet for muzzleloaders. By that, they mean the change per degree from 20 to 65 might be smaller or larger than the change per degree from 65 to 140. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; Precision shooters will find an Enduron option well-suited to most of the popular precision cartridge types. They list loads for Sperry SP and Barnes TTSX in 55gr weights. Find load data for IMR 7828 SSC propellant by clicking the button "Loads for this Powder".More about this powder:IMR 7828 SSC is a magnum rifle powder with exactly the same burn rate as standard IMR 7828 and uses the same data. These are the first groups with this powder. This is a true magnum propellant yielding outstanding performance in 6.5-300 Weatherby, .264 Win Mag, 28 Nosler and .300 Rem Ultra Mag, among other cartridges. so I am thinking till powder does come available, load one or 2 levels under Max for a 223 into the 556 cases. The new powder line-up comes in three flavors: 4166, 4451 and 7977. Taking the rifle back to the workbench for a cleanup proved the claimit had virtually no copper fouling, as proven by the absence of a blue hue in the exiting patch soaked in Sweets 7.62 bore solvent. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. Any gunpowder required by handloaders can be sourced through these brands. Third, Enduron powders are designed for optimal load density. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Not a brand to rest on its laurels, IMR continues to develop new powder formulas that are increasingly insensitive to weather and temperature changes, have improved burn speeds, and contain additives that remove copper bullet jacket fouling. . var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; .223 Remington (Hodgdon Data Using IMR Powder) reloading data with 221 loads. - 24hourcampfire Previous Thread Next Thread Print Thread Hop To BP-B2 IC-A B3 IC-B B4 RR1-22 Who's Online Now 828 members ( 10Glocks, 12344mag, 007FJ, 1911a1, 1100mag, 95 invisible), 2,340 guests, and 1,313 robots.