![]() ![]() Blue Dot 16-18 grains 2800 FPS -3000 FPSĢ H4350 31 grains gives you 2800 FPS w/ 86% of case capacity. RE 10X 30 grains is minimum, and that will put you in the 3000 FPS range.ġ. Blue Dot 18-21 grains give you the speeds of 3000-3300 FPSĢ. But try these other loads if you would like, Or give us some more information about what powders you do have and barrel length.ġ. If you have a 22" barrel then it will be about 100 FPS less. So up the charge to 21.0 grains and you will burn 99% of the powder,be at 59.6 % of the case capacity, and be in the neighborhood of 3000 FPS with a 24" barrel. The load that venatic gave you is slower than what you ask, and it does not burn but about 95% of the powder. I have found with the reduced loads that the 50 grain VMax gives the best performance. ![]() I usually do not go with "Full House" loads in the 22-250 anyway. I have reduced loads for the 223 mostly as apposed to the 22-250. I am going to pass along some info that is from my personal experience. Anecdotally, it maybe sounds a bit louder to my ear than other powders I've tried, but I don't have a meter so I can't definitely confirm that.Īnyway, if you've been as frustrated as me with your subsonic 300 blackout loads, give Accurate 5744 a try.The AA5744 is used often for reduced loads. It's hard to quantify, but A5744 produces significantly less - I barely notice it while shooting: video. I settled on CFE-BLK for a while and my biggest gripe was the thick cloud of white smoke with each shot. The last benefit that I've noticed is the lack of smoke. I'm pretty pleased with ~1 MOA with subs and 2-3 MOA with cheap plated bullets is about as good as I could hope for. Accuracy has been okay too: I shot these groups this morning out of a Ruger American Ranch. I've been able to get single digit SD's with a variety of bullets, for example: Nosler 175 gr RDF, and Berry's 220 gr plated RN. This powder is interesting because it's an extruded stick powder, whereas most other commonly used 300 sub powders are ball. I get single digit SD's from my 308 loads with standard case-prep and hand-weighing charges, but the same procedures gave me SD's in the 20s, 30s, and even higher in some cases with 300 blackout.Įnter Accurate 5744. They're either super temperature sensitive, super smokey, or produce wildly inconsistent velocities. I've tried A1680, Lil' Gun, CFE-BLK, and a few others but have ended up being disappointed with each one. I've been shooting 300 blackout on and off for around 10 years and I've always felt that reloading this cartridge has been a challenge, especially for subsonic rounds. If you’re interested in using reddit for self-promotion check out our Official Spam Policy. Other Subreddits you may be interested in: This unfortunately includes reloading components like brass, and projectiles. Due to reddit policies all posts selling, trading, or buying ammunition are forbidden. If you'd like to post reloading equipment for sale, for trade, or a request for something you'd like to buy please put, , or respectively, at the beginning of your title. R/Reloading discord join us for supplies and helpful conversation: Https://discord.gg/reloading Posts titled " Help! New Reloader." will have less responses than a post titled like "Questions about crimp for. Please make sure you title is relevant to the specific question you are asking. Remember, if you post a picture, make sure to provides some context. ![]()
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