This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. $182.75. For a better experience, please enable JavaScript in your browser before proceeding. 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. Whether youre reloading for the first time or an experienced reloader who desires elite powder, IMR is a company that should be on your radar. The 4166 seemed interestingit matched my motorcycle jacket, but none of my reloading manuals had any data for it (it's that new). 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). 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. IMR 7977 is the slowest burn rate Enduron Technology powder. })(); To comment on a post, click Post Title or "Comment" Link. 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). Between 1/3 and 1/2 MOA for 5 shot groups at 200yd. .308 Winchester (IMR-4166 Data) Warning! Below you will see today's round robin from 45.0 to 46.4 grains of 4166. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. So if your goal is first-shot hits and you may shoot in a variety of conditions you should care about temperature stable powders. .45 ACP and .38 Super, while their rifle offerings range from .223 Remington to .30-06 Springfield. 2. Fired from My Rock River Arms National Match upper, these rounds consistently fetch accuracy in the .75 to 1.25 MOA area. I use in 243 Win and 6.5 CM. 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. You can see Hodgdon H4350 had the least variance in muzzle velocity, with just 25 fps over the 115 swing in temperature! Find load data for IMR 3031 propellant by clicking the button "Loads for this Powder".More about this powder:A medium burn speed propellant with many uses, IMR 3031 has long been a favorite of 308 Match shooters using 168-grain match bullets. We do not take backorders and our Tech Services team cannot take orders via email or phone. this stuff is not affected temp at all. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. IMR offers a modern line of powders with Enduron Technology which is also marketed to have extreme temperature stability. Copper fouling should be minimal, allowing shooters to spend more time shooting and less time cleaning a rifle to retain accuracy. Then Try IMR 4166 Powder, Powder Temp Stability IMR Enduron vs. H4350 and Varget, http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme, Guide to IMRs Enduron Powders What You Need to Know, Powder Valley has new IMR 4166 Powder in Stock, IMR Introduces New Enduron Powders: 4166, 4451, 7977. Temperature change stability the Enduron line is insensitive to temperature changes. (function() { when enduron works it is often same hole shooting. Sign up to get updates and access to exclusive promotions. This website uses cookies to ensure the best experience possible. Such loads are marked with an asterisk in the data to show where standard 7828 will not fit. These short-grain, extruded powders will deliver temperature insensitive quality while keeping copper residue to a minimum. Improved Military Rifle IMR 4166 Improved Military Rifle IMR 4320 Improved Military Rifle IMR 4350 Improved Military Rifle IMR 4451 Improved Military Rifle IMR 4831 Improved Military Rifle IMR 4895 Improved Military Rifle IMR 8208 XBR Improved Military Rifle SR 4759 Ramshot Big Game Ramshot TAC Ramshot X-Terminator Shooters World AR PLUS IMR Legendary Powders now offers four (4) Enduron powders: IMR 4166, IMR 4451, IMR 4955, and IMR 7977. 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; var _gaq = _gaq || []; Awsome powder in my book. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. This website uses cookies to ensure the best experience possible. The illuminated reticle made it very easy to see on the black target, and honestly was the first time I have ever had used the feature (now it may be hard to go back). 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. 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. forum.accurateshooter.com/threads/imr4166-loads-for-223.4053707/, Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36. Hodgdon's excellent online reloading data show only IMR 4007SSC, IMR 4166, IMR 8208XBR, and Hodgdon CFE 223 breaking 3,750 fps with a 55-grain bullet in a 24-inch test barrel. })(); To comment on a post, click Post Title or "Comment" Link. When placed and configured optimally, the LabRadar can measure muzzle velocity with +/- 0.1% accuracy, according to the manufacturer. Select 223 Remington, check off your weights, select IMR, then 4166 I was able ti find a load for two different 55s, a 69, and a 75. For example, variation in velocity does NOT appear to be linear across the full range of temperatures. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. The IMR brand was first introduced under DuPont in the 1930s. works great in many cartridges with good to great accuracy. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. Give it a try if you've already purchased it. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. 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 main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Then Try IMR 4166 Powder", A couple seasons back, PrecisionRifleBlog.com (PRB) published a significant field test of powder temperature stability. Love the copper fouling eliminator makes cleaning a breeze, Posted by Paul rosenkranz on Nov 9th 2021. 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. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. 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. The responsible reloader always errs on the side of caution, so I decided to stop there. IMR claims that Enduron powders are not sensitive to temperature changes. Will purchase more. Tag: IMR 4166 Loading for the AR-15 with the LEE Auto-Drum Powder Measure. var _gaq = _gaq || []; I understand this is an old thread, but want to reply anyway, 243 75gr V-Max loads using StaBall or IMR 4166. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. Thanks, Posted by Phillip Jackson on Aug 1st 2021. IMR 4166 is part of their new Enduron line that launched just a few years back. Thanks, T.B. The same increase in temperature also causes the nitrocellulose-based powder inside the cartridge to burn at a higher rate, producing approximately four times the Point of Impact (POI) shift than just air temperature alone. Powders include IMR Be Alert: Publisher cannot be responsible for errors in published load data. Where to Find IMR 4166 Powder 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. Using bullets from Nosler BT LF, Barnes VG FB, Nosler BT, SinterFire, Sierra SP, Speer SP, Sierra HP, Barnes TSX FB, Hornady FMJ, Hornady V-Max, Swift Scirocco, Sierra HPBT, JLK VLD, Sierra MK, Berger BT Targ. I tried 4166 and my groups opened up. Share your experiences with other customers. (SEE: Temperature Effects On Zero on KestrelMeters.com.). They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. Choose a IMR powder and find the respective load data for it. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. Sign up to get updates and access to exclusive promotions. _gaq.push(['_trackPageview']); Is there a different load data site? The top shooters in the PRS and veteran long-range shooters in other disciplines have learned to value a temperature-stable powder. CLICK HERE to Read Full Powder Temperature Stability Test on Precision RifleBlog.com. 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. Subscribe to the free newsletter and do not miss any news or promotions. Load data for the new IMR 4166 was taken from Hodgdons 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. 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). The new powder line-up comes in three flavors: 4166, 4451 and 7977. In rifles, this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball. Weve been quite pleased with IMR 8208 XBR as a Varget alternative. In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. .223 Rem. The main features of the Enduron series are copper . IMR 8208 XBR is accurate, clean-burning, and offers good velocity. (function() { VAT (where applicable), shipping costs and possible delivery charges. My factory sierra high 2576 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'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 I didn't want to like this stuffI figured I was likely buying marketing hype for $31/lb at my LGS. : (913) 362-9455; E-mail: [emailprotected]; Web: www.imrpowder.com, (Disclaimer: The loads described above were safe for this rifle, on this particular day. When we are sold out, we are sold out. Shop Now ! 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 . * All prices incl. It provides top performance in big game cartridges such as 25-06, 280 Remington and 300 Winchester Magnum. I much prefer IMR 8208 XBR for the 223. flyfisher117 Professional Milk Jug Hunter. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are excellent. Other than that , great job, thanks. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. IMR is an acronym for Improved Military Rifle. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. You can find that here: http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Share the post "Powder Temp Stability IMR Enduron vs. H4350 and Varget". When we are sold out, we are sold out. 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. 44gr 4166 You are using an out of date browser. IMR 4166 possesses the fastest burn rate in the Enduron lineup. msinc The Enduron Technology powders are available in one-pound (1 lb) and eight-pound (8-lb) containers from quality reloading retailers. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. IMR states that IMR 4166 is a versatile, match grade propellant. At the 2015 Shot Show they did just that and released the IMR Enduron Line. The Hodgdon powder company is world renowned for introducing revolutionary technology to the reloader. We place limited powder inventory for sale on a regular basis on our website. A Meopta MeoStar 1.710x riflescope was mounted to ensure an optimum sight picture. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; Or maybe have QuickLoad data? 4166 is the fastest burning powder, for cartridges like .223 Remington and .308 Winchester. PRBs testers explain the full set of equipment and steps in their loading process in the Full Test Report. This powder is comparable to Hodgdon H4831. PrecisionRifleBlog.com (PRB) recently published results from a field test PRB conducted to quantify the temperature stability of the popular Hodgdon H4350 and Varget powders and compare those to IMRs new Enduron line of powders, specifically IMR 4166 and 4451. Clearly, the competitor's 'choice' and the Varmint Hunter's 'dream powder.'. The kid's rifle didn't like this powder, but perhaps yours may. Importantly, it seems to be a good substitute for unobtanium Varget powder. Villain Weapon Systems ATPIAL-C EFL -- Enhanced Class 3R Performance Available Now from TNVC! The technology in IMRs Enduron line of powders provides four very important qualities that enhance both in-gun and downrange performance. Share the post "Powder Valley has new IMR 4166 Powder in Stock". The IMR Enduron line is similar to Hodgdon's Extreme Extruded line, in that it is temperature insensitive. Precision shooters will find an Enduron option well-suited to most popular precision cartridge types. temperature stable too. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Love the copper fouling eliminator makes cleaning a breeze. I went to the IMR site and it takes you to hodgdon's loading site. Sierra load data for over 95 Berger bullets in over 65 calibers with all suitable powders on the market. However, due to the super short kernels, metering is virtually as good as a spherical powder. This propellant is ideally suited for many mid-range burn speed cartridges. worst groups at .5 moa most groups around the .3 moa mark. Hodgdon Extreme Series powders have attracted quite a fan base, with over 90% of the top shooters in the Precision Rifle Series choosing to run one of those powders. Varget was always my go-to powder for .308 and .223, but anyone who reloads knows that Varget is virtually unobtainable now. I do not see it listed for 40 grain bullets. Each of these are still favorites with handloaders today! _gaq.push(['_trackPageview']); Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. IMR4166-08: IMR 4166 8 LBS. The manual allows for stiffer charges, but at 25.1 the load begins to compress. Find load data for IMR 4955 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4955 is a versatile, match-grade propellant with a mid-range burn speed that is in between IMR4451 and IMR7977. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. You may not reproduce original text or photos without advanced permission in writing. First, these powders all feature chemistry that reduces copper fouling. You are using an out of date browser. Menu & Links IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. First load. PRBs test team also noticed other interesting trends in the data. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. The LabRadar is a new type of device that allows you to measure muzzle velocity within at least +/- 0.1% of the reading. .225 Win. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. IMR now offers four Enduron powders that cover a broad range of burn rates. In this post, I've got some great highlights including the LEE . Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. This Enduron series powder is temp-stable and accurate. These are the first groups with this powder. IMR 4166 is an extruded stick powder. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Minuteman. 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 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. Share the post "Cant Find Varget for Sale? 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 velocities and performance with heavier bullets in medium-sized magnums. So, I'd use it for loads listed by Hodgdon. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder". 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. One member wrote: in my 6.547 IMR 4166 gives speeds and accuracy pretty much exactly the same as Varget. And other shooters have observed reduced copper fouling with Enduron series powders, so IMRs Enduron anti-fouling chemistry does seem to work. I can imagine you might have a little more difficulty with case volume and fill ratio due to kernel size. ), AR Issue 2022 Gun & Gear Giveaway Contest, Editors Choice Gun & Gear Giveaway Contest, Fall Hunting 2021 Gear & Giveaway Contest, Defensive Handgun Gun & Gear Giveaway Contest, Defensive Handgun Issue Gun & Gear Giveaway, The Hunter to the Hunted: Savage Arms Introduces New 110 Carbon, Wilson Combat 300 HAMR Barrel Conversion, 2022 Editors Choice Award Winning SIG Sauer P322 .22LR, 2022 Editors Choice Award Winning Savage Mo. Please help us to improve and report any suggestions via our contact form. With Varget so hard to find, if IMR 4166 proves accurate (and available) we might see many .308 Win shooters make the switch. IMRs press release provides these descriptions of the new Enduron propellants: IMR 4166 is the first in the series of Enduron propellants. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. Thanks, Was looking for an equivalent powder from H4895 when I ran into the 4166. 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. Cant find Hodgdon Varget on dealers shelves? Hodgdon Extreme Series powders have attracted quite a fan base, with over 90% of the top shooters in the Precision Rifle Series choosing to run one of those powders. This propellant performs comparably to Hodgdon H4350 but charge weights are materially different. First ladder turned out great! 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. Every week of WW II, as many munitions were used as in all of WW I. Access from your Country was disabled by the administrator. Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. Sep 25, 2010 . Share the post "Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme". 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. Find load data for IMR 8208 XBR propellant by clicking the button "Loads for this Powder".More about this powder:IMR 8208 XBR is an accurate-metering, super short-grained extruded rifle powder was designed expressly for match, varmint, and AR sniper cartridges. OK, we're down to 1/3 MOA with a bit more to go. . IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. Youll also find official load data in the Hodgdon 2020 Annual Manual. 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. Case: Winchester; Twist: 1:12 inches; Primer: Federal 210M, Large Rifle Match; Barrel Length: 24 inches; Trim Length: 2.005 inches. Hodgdon Powder Co., distributors of Hodgdon, IMR, and Winchester powders, says that: The new IMR Enduron Technology powders will be available at dealers in early 2015 in 1-pound and 8-pound containers. For more information and Enduron LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. of Varget. IMR 7977 is comparable to Hodgdon H1000. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. VISIT THE RDC WHITE HOTS White Hots 50/50 is a 50 Caliber, 50 grain pellet for muzzleloaders. (The only two .45-70's I own are trapdoor Springfields.) I live in florida and shoot the same load all year. SUBSCRIBE TO OUR NEWSLETTER TO STAY UP ON THE LATEST. Grab some at your nearest dealer, or for more information, contact IMR Powder Company; Tel. ARCHIVED. Testing consisted of a single 5-shot group of each incrementmental charge weight just to get a rough feel for the potential of this powder. 5 rounds shot DuPont had historically been a major supplier of military propellants long before becoming one of the handloaders favorite powders. IMR 4166 is one of IMRs Enduron family of propellants. IMR now offers five (5) Enduron powders: IMR 4166, IMR 4451, IMR 4955, IMR 7977, and IMR 8133. I'm very happy with this powder. . both should give you specific info. Ive heard some say 4166 is similar to 4064, which I haven't used or have on hand currently. New customer? CL 2.005 In today's shooting you can clearly see the scatter that centers at 45.5 and the obvious OCW at 46.2. The new line of IMR Enduron powders feature small kernels for easy metering, plus a built-in copper fouling eliminator. Working up a good hunting load with the 4166 Enduron and the Hornaday 150 gr GMX bullets for my 308. Please help us to improve and report any suggestions via our contact form. 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. Please enter your login details below. imr 4166 for sale .223, .223 loading data imr 4166, .223 rem. bolt reload data with 65gr. [ARCHIVED THREAD] - IMR 4166 .223 Rem. (see note 1 ). CC 300 BLK ($53.49 per box of 20), Law Tactical Gen 3-M AR Folding Stock Adapter, 2022 Editors Choice Award Winning Silencer Central Banish Backcountry Suppressor. Re: IMR 4166 in .223. bolt reload data with 65 gr. In addition, it is a longtime favorite of Match shooters. Shooters has been keeping it around $20/lb if you buy in quantity. It is formulated to reduce fouling and to be stable across a wide temperature range. 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. For info on other IMR powders, visit www.imrpowder.com. It is also outstanding in cartridges like the 444 Marlin and 7.62 X 39. 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 Past breakthroughs have brought us the extreme extruded line that gives consistent performance regardless of ambient temperature, and more recently they have brought us CFE technology that deters and reduces copper fouling. 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. Third, Enduron powders are designed for optimal load density. 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. 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. 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.
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