My initial "go to" powder for 300 BLK supers using 145 gr M70 milspec projectiles was H110. ALL Accurate 1680 Accurate 4100 Accurate 5744 Accurate LT-30 Accurate No. Using bullets from Barnes TAC-TX, Hornady SST, Speer Hot-Cor, Sierra Game King HP, Nosler BT Hunting. If a pistol says Magnum, IMR 4227 is the choice for true magnum velocities and performance. Pinecone IMR is h4227. Shooting a 100 or 120 grainer with only 3 to 4 grains of fuel makes the outfit sound like a 22LR. 1305 fps 10.5 gr. The Latest In Reloading, Straight To Your Inbox Keep up-to-date on new products, trends and … TRAIL BOSS and IMR 4227 are great powders for that. Using bullets from Barnes TSX FB, Hornady V-Max, Sierra Hollow Point, Nosler Ballistic Tip, Sierra Spitzer SP, Barnes TSX BT, Sierra MatchKing HPBT, Hornady MonoFlex, Hornady GMX, Speer Grand Slam, Speer Mag-Tip, Sierra Palma HPBT, Hornady SST, Hornady A-Max. - av. We had a problem with our first loading of 150gr FMJ with 4227 because of Hornady's load data is light. What exacerbates it even more is that some companies still list one or the other on load data. Many AR-15 enthusiasts and hunters have a strong appreciation for .300 AAC Blackout because of its versatility and available grain weight range. Hodgdon data only shows IMR4227 loads. You will like this product if. For more info, go to the AAC 300 Blk site. The Sierra data I have lists H4227 (NOT IMR 4227) loads. In order #63 - Lil' Gun, H110, WW296, IMR 4227, H4227. I agree, and I didn't believe it myself even after shown letters until I called hodgdon and asked. .300 Whisper / .300 AAC Blackout / .300 Blackout (Pistol Loads) reloading data with 45 loads. 28 Nosler Load Data; 300 AAC Blackout Load Data; 30-30 Winchester Load Data; 30/40 Krag Load Data; 308 Marlin Express Load Data; 300 Savage Load Data; 308 Winchester Load Data; 30 Thompson Center Load Data; 30-06 Springfield Load Data; 300 Ruger Compact Magnum (RCM) Load Data; 300 Blackout 135 gr. Find what you need in four easy steps. I would start checking all the basic things like gas block alignment, carrier key, make sure the bolt is lubed well. If you have a bunch of other .300 Blackout guns//pistols in your arsenal, it might be a better idea to opt for the 8 lb container. I found info for 22 hornet and other small calibers but nothing for 223 from what search i found was its a fast burning powder. It's fine to ask questions, that's how you learn. Both subsoinic and supersonic. Hopefully this weekend be all done, Gear & Gadgets on the Texas Fishing and Outdoors Show, Powered by UBB.threads™ PHP Forum Software 7.7.3. ... IMR® 4227. H-110 for super sonic, AA-1680 for sub sonic. It seems bizzare that they would have done that, but they said the old powders were similar enough and mostly interchanged anyways. Let me try again, IMR-3031 is too slow burning of a powder for 300 Blk. You need to use a faster powder like H-110 and AA-1680. imr 4227 18.1 19.5 h4198 19.2 20.0 imr 4198 11.8 19.1 19.9 cfe blk 21.1 22.2 23.4 trail boss 5.6 ... 300 blackout rifle reloading data 7 300 blackout rifle reloading data 8 indicates maximum load - use caution loads less than minimum charges shown are not recommended. If you're interested in reloading .300 Blackout, ... For lightweight supersonic loads IMR 4227, Hodgdon CFE Black, Hodgdon H110, Winchester 296 and Alliant 2400 are good options. Seat it long and see if it touches. 1293 fps 11.0 gr. 300 Blackout 208 GR HDY A-MAX IMR IMR 4227 .308" 2.260" 9.8 1,041 25,800 PSI 300 Blackout 208 GR HDY A-MAX Winchester 296 .308" 2.260" 9.2 1,060 22,700 PSI 300 Blackout 220 GR SIE HPBT Hodgdon CFE BLK .308" 2.260" 12.1 1,060 18,200 PSI .300 Whisper / .300 AAC Blackout / .300 Blackout reloading data with 26 loads. GMX® 30-06 Springfield 125 gr. There has been several threads here also that give links. I am attempting to work up loads using 150gr. 22 caliber (.224 dia) 22 Hornet TNT Green 30 22 Hornet 33 22 Hornet 40 22 Hornet 50 22 Hornet 52 ... 300 AAC Blackout 180 300 AAC Blackout 200 30-30 Winchester 100 30-30 Winchester 110 30-30 Winchester 130 30-30 Winchester 150 30-30 Winchester 170 300 Savage 100 There's still some mystery around "H" vs. "IMR" powders. At the other end of the spectrum, the small case capacity invites downloaded ammo. The dialog is much appreciated. Lots of load information on the internet. Hornady fmj-bt, since they are relatively inexpensive. Currently Active Users Viewing This Thread: 1. Known for its ability to deliver heavy subsonic bullets for standard AR magazines while cycling the action in suppressed applications, it also works … Sierra Jacketed SP BC: 0.338 2.100” OAL SD: 0.226 Sugg Max StartingVelocity Pressure Load Velocity Pressure Powder Grains FPS Grains H110 Lil Gun IMR4227 Enforcer Trail Boss 2.065” min OAL; 2.100 SD: 0.166 2.070” min OAL; 2.100 SD: 0.172 110 gr. I'd like one using h4198 or imr 4198 as I have quite a bit of each. Then select your bullet weight, powder manufacturer and powder type. - av. been there dont that ,, just havent found any for the 125gr speer tnt hp and imr 4227 load ,, friend told me to get the new hornaday load book should have it in there, lists several loads for it in their reloading data center. Testing some powder coated bullets with IMR-4227 in my 300 Blackout. Powders include Hodgdon, Accurate, Vihtavuori, Shooters World, Ramshot, Winchester, IMR, Norma You can also use data from the 300 Whisper. This was originally just hearsay on forums but a few years ago a few official letters from.hodgdon confirmed it. The accuracy was phenomenal and it was a very clean burning powder. So do guys think I should use the same oal for my 125gr that they have list for the 130gr .. Thanks .. cant wait to go play with it .... got the dies last night but cant touch them till I finish my carpet job on my boat . When hodgdon acquired IMR they discontinued the old formula of IMR 4227 and started selling only the one who which was the old h4227 formula. IMR 4227 is a medium burn speed, magnum pistol propellant. Althought IMR and H 4227 are listed right next to each other on the Hodgdon Burn Rate Chart. I've used: H110, IMR 4227, Lil' Gun, IMR4198 in 300 BLK supers & subs Did some testing Thurs. FTX® 308 Winchester 125 gr. lee .312 mould sized to .309 with gas check and powder coated. IMR® Red. data **includes new A-Tip® Match load data; 338 Lapua Mag 270 gr. According to IMR you are right in the ball park. June 1, 2016 Bill Marr 300 BLK, Cartridge Selection, Reloading 0. Althought IMR and H 4227 are listed right next to each other on the Hodgdon Burn Rate Chart. No experience in the 150 range but Sierra lost data on their site for that weight range. Can i use this for 223 in my ar-15, bullet weights from 50-62 grains what i reload and i do have a Chrono. 300 AAC Blackout (7.62 x 35 mm) (300 BLK) 125 gr. 300 blackout imr 4198 h4198 recipe Anyone have a good load recipe for 300 blackout using 160 gr. Alliant Power Pro 300-MP Lake City Federal 205 17.1 1866 19.2 Winchester 296 Lake City Federal 205 16.7 1894 18.4 Ramshot Enforcer Lake City Federal 205 15.4 1839 17.2 IMR 4227 Lake City Federal 205 16.7 1823 18.5 C Accurate 5744 Lake City Federal 205 17.5 1829 18.7 C Vihtavuori N110 Lake City Federal 205 15.0 1830 16.5 C hpbt If it does, keep seating it shorter till 7you have good clearance. The Sierra data I have lists H4227 (NOT IMR 4227) loads. The 300 Whisper and blk out are near identical. 11 FS Hodgdon CFE BLK Hodgdon H110 Hodgdon H4198 Hodgdon Lil'Gun Hodgdon Trail Boss Improved Military Rifle IMR 4198 Improved Military Rifle IMR 4227 Ramshot Enforcer VihtaVuori … 110: Sierra: RN Pro-Hunter: Lil Gun: 16: 2150: 1129: 18.5: 2400: 1407 #2100: 1.845: 1x8” Rem 7 ½ Have had good luck with the Hornady 150 grain FMJ....looks weird but works pretty good...I will check my load data when I get home and post it up.. Powders include Winchester, Hodgdon, IMR "wedge" bullet, OAL 2.15", CCI-400 primers, 91-97 degrees at about 6000' ASL. IMR recommends always consulting for the most accurate, up-to-date data. Some of the new production "H" powders are the same as "IMR"...but some aren't. - av. I've used in in the 110-125grain supers. You want a smokeless powder. just got my 300 dies in and picked up some speer tnt 125gr hp , i found data for 130gr but not any for 125gr ,, i wanted h110 but only could find this 4227 ,, does anyone have any load data for the 300 blackout ,, I am currently working on a subsonic load for a 300 blackout. This will also help have less of a compression, and can yield more powder capacity. Lil' Gun: 10.0 gr. Click "Get Data" to view results. IMR® ENDURON® 8133. In rifles, this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball. AR platform, 8" Wilson Combat barrel, standard gas port size and gas block, obviously pistol lenght gas system, 1-7" twist. I found a 8# metal can of IMR 4227 that i bought in the early 90's and it was even older then that it is still unopened so it should still be good. I would seat the the same ogive measurement. Things change over time. GMX® 300 PRC 178-250 gr. That's part of the challenge when working up loads relying on published data from various sources that sometimes is several years old. RIFLE RELOADING DATA FILES (PDF) 20 caliber (.204 dia) 204 Ruger 39. Of course even then the 300 has a lot more punch than any 22LR. Searh it or google it. & Fri. All tests done w/ 8.5" barrel AR pistol; Ranier Ballistics 180 gr. Google is your friend. #2275 .308” 175 gr. The 300 AAC Blackout (300 BLK) is a popular alternative cartridge in the AR-15/M16 M4 (AR) community. You would be hard pressed to fit any more 4227 in the case at 19.5gr. 300 BLK load development: 125, 135, 175 and 220 SMK with H110 and IMR 4227. Or check it in your rifle to know where the rifling is. just got my 300 dies in and picked up some speer tnt 125gr hp , i found data for 130gr but not any for 125gr ,, i wanted h110 but only could find this 4227 ,, does anyone have any load data for the 300 blackout ,. If you're unsure, or just want options, check as many boxes as you'd like. Unlike many .300 Blackout powders in the market, the IMR Powder … H110 and WW296 are the same powder, different containers. Select your cartridge type from the drop-down list. If you find a jug of imr 4227 that is more than 3 years old it will likely be a different formula but if newer it is likely the h4227 formula. Hornady V-Max BC: 0.290 115 gr.