300 blk out

You can form your own 300 BO brass from .223/5.56. LC brass works the best.

Speer 125gr TNT bullets are my go to. They aren’t that expensive as far as today’s ridiculous prices go ($0.22 on sale) and they are fairly accurate out of a 16″ AR.

You can try several powders. Most people end up using H110/W296, A1680 or IMR4227. I’ve been toying with Enforcer and No-11FS loads recently.

I gave up on Lil’Gun, it just heats the barrel up way to fast. Although you can get smoking velocities with it.

I detest CFE BLK for supersonic rounds. Huge ES and SD numbers and accuracy is nothing to brag about. Maybe with a different weight bullet it would work better?

Haven’t tried subsonic yet. Berry’s plated 220’s are all I can barely afford and I’m not sure I trust plated rifle bullets. There is subsonic data for lighter than 200gr bullets out there.