Inspired by the Fall Out Series, our 20" service rifle upper is a mix of old and new ideas.
Upper: TNTE Anchor Harvey or Cardinal Forged M4 ramped upper receiver
Barrel: 20" 5.56 NATO 1/8 Faxon Gunner Series with 1/2x28 thread
Gas System: Rifle
Gas Block: Pinned on F-Marked A2 .625
Handguard: Drop-in Two-Piece MI Quadrail
Flash Hider: A2
Charging Handle: Optional