BCM Lower Group w/Intermediate Buffer System including Vltor A5H0 Buffer, BCM Stock Mod 0.Receivers Machined from Aluminum Forgings 7075-T6 Receivers Hardcoat Anodized per MIL-A-8625F, Type III, Class 2 Staked M4 Lock Nut USGI H Buffer (1 USGI Tungsten, 2 Steel)
- FFL:
- Yes