Thread: Loading 7.62x39 subsonic from steel cased factory ammo

Originally Posted by Daniel L

All good points thanks. To clarify I meant pulling the projectile, changing the powder load, and then putting the original SP projectile back in. (No decapping or priming.)

But I see there could be an issue of neck tension and expansion at low velocity will likely be poor.

I found the "SP" projectiles in Chinese ammo relatively poor anyway (full velocity), I suspect they don't know much about making them. The Russian stuff Barnaul, is on the other hand great. Unfortunately we're unlikely to see much of that again...