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Seems hard to find good quality and price on 300 black out. Sure wish RMR had this available. 300 bo 223 & 45 are my go to firearms. Same with most of my buddies.
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.
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