Max load compressed powder charge load COL: 2. Max load compressed powder charge load COL: 2.230" 41,800 PSI Max load compressed powder charge COL: 2.235" 33,500 PSI Max load compressed powder charge load COL: 2.055" 28,600 PSI Max load compressed powder charge load COL: 2.120" 37,000 PSI Max load compressed powder charge COL: 2.2005" 37,100 PSI 223 Remington necked down to 20 Caliber, with the shoulder modified to 30. Max load compressed powder charge COL: 2.060" 26,500 PSI Max load compressed powder charge COL: 2.060" 49,800 cup Max load compressed powder charge COL: 2.050" 47,000 cup Max load compressed powder charge COL: 2.060" 28,600 PSI Max load compressed powder charge COL: 2.050" 35,900 PSI Hodgdon produced the following load data using a 16 barrel with a 1:8 barrel twist rate, Hornady cases trimmed to 1.363, and Remington 7 1/2 Small Rifle Magnum primers. Back then, most sources listed what many twenty-first-century handloaders would consider stupidly inadequate velocities, because companies listed every suitable powder. IMR 4227 is suitable for supersonic and subsonic loads. Start load compressed powder charge COL: 2.050" 28,500 PSI Other long-time IMR powders also work fine for reduced loads, including IMR-4227, IMR-4198 and IMR-3031, which were used a lot back when 10 zillion powders weren’t available. Max load compressed powder charge COL: 2.040" 46,700 cup ![]() The 300 blackout round is prominent in hunting and personal defenseīe Alert: Publisher cannot be responsible for errors in published load data. 30 caliber to be used with an M4 with nothing more than a barrel exchange. More reloading data.Īn Infamous round created by the Advanced Armament Corp in partnership with Remington in order to allow a. Warning! Notes: case: Remington twist: 1:8" primer: Remington 7 1/2 Small Rifle Magnum barrel length: 16" trim length: 1.363" bullet diam. Feel free to email me with any direct questions.300 Whisper /. Iv never had an issue with a gun cycling with or without a can. For me 4227 gave me the best reliability in subs. I got a friend running the 1680 with them and he said hes at 11gr hoverin at the 1000fps mark. If u end up liking them i got 40lbs of em id sale you. I tried to run em a little deeper to alleviate that problem. Another thing k realized with those super heavy bullets was if i loaded a mag to max capacity the rounds would nose dive pretty bad inside the mag. Some of my friends have had horrible luck some have had no issues. I stopped using those bullets because they would only feed well most of time amd i wanted 100% reliability. I run 10.2gr 4227 with sierra 220gr and nosler custom comp 220s. I use imr 4227 for subsonic in all of my blackout guns. I have a bit of experience with your 245gr bullets but not with those powders. 300 Blackout is a useless cartridge, feel free to spout off, however, I am unlikely to respond. ![]() Putting this in the rifle forum even though technically I'm planning to use it in a pistol (legally speaking). 300 Blackout, but I've also read that it doesn't always give full function eg bolt hold-open. I've read a lot of people use Lil'Gun for. Hogdon's Web site doesn't list loads for 245gr bullets, though they do list data for 230gr bullets that I could work up from. For example, Hogdon CFE BLK is apparently made for this exact use, but I have seen very little data on it. I'm about to try 5.2gn and a 62gn head next. ![]() Donate Now Goal amount for this year: 6000 USD, Received: 4955 USD (83) Our Annual server fund drive is going on now This donation drive helps fund Cast Boolits for an entire year, and helps support our 2nd amendment rights You. 223 Here's my results using trailboss in a 1:7 12' barrel 62gn FMJ, OAL 57.4mm 6gn supersonic 5.4gn 50 subsonic - could be because powder measured electronically 5gn subsonic 55gn FMJ, OAL 57.4mm 5gn supersonic 4.4gn subsonic. Before I make that investment, I wanted to do a gut check and ask if there's a different powder I should get instead. IMR4227 (not H4227) load data for various calibers cast bullets. ![]() Nobody locally sells that powder, so I'd need to pay hazmat, meaning I'll buy several pounds to spread out that cost. I've seen good results in YouTube videos using Accurate 1680. Economical (ie I'd rather use a 12-grain load than an 18-grain load)īut if you have a great load for my other bullets, subsonic or supersonic, I'm interested in hearing that also. No excess pressure or excess wear on the brass caseĤ. Fully cycles and operates the gun, including bolt hold open after firing last roundĢ. Goal is to use the 245gr bullets for a subsonic load in the AR pistol that:ġ. I have H110, 2400, 3031, Unique and various other powders (but no others I think would be useful for. 30-30, and 110gr plated bullets I bought for. I have dies, a box of coated 245gr cast bullets from Missouri Bullets, 165-173gr jacketed bullets I bought mainly for.
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