5.56x45mm NATO Gun Parts

Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 11.5" Hanson Contour 1:7" Twist Phosphate with Low Profile Gas Block

Franklin Armory Libertas AR-15 Built Complete Lower Receiver Anodized Olive Drab

Geissele Super Duty AR-15 Pistol Barreled Receiver 5.56x45mm NATO 11.5" Barrel Black

Geissele Automatics Super Duty Stripped Upper - DDC Desert Dirt 5.56 10.3 Barrel

Geissele CHF AR-15 Barrel 5.56x45mm NATO 12.5" Geissele Contour 1:7" Twist Manganese Phosphate

Geissele CHF AR-15 Barrel 5.56x45mm NATO 11.5" Geissele Contour 1:7" Twist Manganese Phosphate

FAB Defense AR-15 Upgrade Kit for M16/M4/AR15 Platforms

FAB Defense AR-15 Upgrade Kit Flat Dark Earth for M16/M4/AR15 Platforms

SONS OF LIBERTY GUN WORKS M4-L89 Upper Recvr 5.56 14.5" MidGas P&W HUXWRX

HEXMAG HexID Color System Blue 4 Pack

Hexmag HexID Color Identification System 4-Pack Panther Pink Followers

Cobalt Kinetics CK-Pro Urg Lower 5.56 11.5 Barrel

AERO PRECISION AR15 5.56 NATO / 223 Rem Complete Upper | Black

Ar15 Comp Assembled Upper 5.56 Nato Carbine Barrel W/Pinned Fsb - 5.56 Assembled Upper 16'''' M4 Bbl W/Moe Sl Carb Handguard Blk

Geissele Super Duty AR-15 Pistol Barreled Receiver 5.56x45mm NATO 14.5" Barrel Black

Geissele Super Duty AR-15 Pistol Barreled Receiver 5.56x45mm NATO 10.3" Barrel Black

M4e1 Assembled Upper Receiver 5.56 Mid-Length - M4e1 5.56 Nato Assem Uppr Rcvr M4 14.5'''' Bbl Mid-Length Black

LMT Defense 5.56x45mm No Trigger Group Lower Parts Kit, Black

Luth-AR AR-15 Lightweight Upper Receiver 5.56 NATO 16 Barrel

CMMG Resolute Mk4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Armaspec Superlight Gun Builders Kit Blue for AR-Platform

Armaspec Superlight Lower Parts Kit OD Green for AR-15

Lancer Systems L5 AWM Advanced Warfighter AR-15 Magazine Floor Plate Kit 3PK Flat Dark Earth

Lancer Systems L5 AWM Advanced Warfighter AR-15 Magazine Floor Plate Kit 3PK Black