perfect length for SBR. Only about 300 rounds down the bore. 

BCM4 lower with SBA 3 brace

Timney impact 3.5 lb single stage trigger

Midwest industries 9 inch m-lol handguard

BCM charging handle with toolcraft BCG

ballistic advantage 12.5 barrel 

dead air Keymo 3 prong flash hider 

adjustable gas block with carbine length gas tube 

90's kid cup dust cover (retro)