Subs would make me get it back out of the safe.
Subs would make me get it back out of the safe.
It's always good to have more loadings, but I honestly don't get why someone would use 300 Blackout if they were not shooting it subsonic. That's its niche. 7.62x39 will do great for short cartridge length supersonic 30cal in the 125gr range.
Sierra 220gr rn, a little H110, new primer and bingo...nice cheap reloaded subsonics in 300 BO. Save your brass and the next reload is even cheaper.
What if this whole crusade's a charade?
And behind it all there's a price to be paid
For the blood which we dine
Justified in the name of the holy and the divine…
7.62x39 does have a reputation for not running reliably in AR15's which is probably what gave rise to 300Blackout in large part. The vast majority of those issues have been resolved over the past several years. I have two 7.62x39 rifles that run 100%. I've even put both uppers on my M16A1 and they run 100%. If someone doesn't have any 7.62x39 firearms, I can definitely see going the 300Blackout route. I have plenty of 7.62x39 firearms, so I can't justify it (and believe me, it doesn't take much to justify a new gun in my mind).
And doesn't work as well in the AR, requires proprietary mags and has much more muzzle blast out of a 7-9" barrel. .300Blk was optimized for a 9" barrel and works reliably with standard AR parts and mags. Anything that helps popularize it is a welcome addition, especially less expensive training ammo.
What if this whole crusade's a charade?
And behind it all there's a price to be paid
For the blood which we dine
Justified in the name of the holy and the divine…
I'm not sure what you mean by doesn't work well. If reliability, then I'd very much disagree as noted above.
They're not proprietary as there are options from several different manufacturers. I started with D&H and RZE Unimags. Both run 100% for me, so I have not bothered to try anything else. Much of the historical reliability issues of 7.62x39 in AR15's is related to using regular AR15 magazines or just plain junk 7.62x39 magazines. Junk magazines will cause issues in any AR15, regardless of the cartridge. The 7.62x39 magazines are generally more expensive though. As I understand it, it is a good idea to use 300Blackout specific magazines in 300Blackout chambered AR's.requires proprietary mags
https://gunpros.com/best-magazine-for-300-blackout/
Yes. I have plenty of fun with the muzzle blast of my SBR AK's and AK pistols. However, I wonder how much of the blast is simply related to the powder chosen along with the bullet weight. 300 Blackout subsonic is specifically made for short barrels, so I'm sure they do a good job of choosing a low flash powder that burns more quickly. I bet if a similar size bullet and the same powder was used in 7.62x39, it would produce similar results.has much more muzzle blast out of a 7-9" barrel. .300Blk was optimized for a 9" barrel.
I agree. BTW, I'm not trying to be argumentative here. I just like to discuss that why's of doing things when it comes to firearms. No real justification is needed.Anything that helps popularize it is a welcome addition, especially less expensive training ammo.
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