AR Parts in 5.56x45mm NATO

Sons of Liberty Gun Works SOLGW EXO3 5.56mm 13.9" No BCG/CH Upper Receiver w/HUXWRX Mount EXO3UPPER-13.7-556-XL

Sons of Liberty Gun Works SOLGW Patrol SL 5.56mm 13.9" No Muzzle Device, No BCG/CH Upper Half PATROLSLUPPER-13.9-556-NMD

Sons of Liberty Gun Works SOLGW East India 5.56mm 8.5" Gas Pistol Starter Kit EIC-8.5-300

Sons of Liberty Gun Works SOLGW M4-L89 Rifle, 14.5"Bbl 5.56mm, with ASR mount, Ranger Green M4-L89-14.5-ASR-RGA

Sons of Liberty Gun Works SOLGW M4-L89 Rifle, 14.5"Bbl 5.56mm, with Plan B Mount, Ranger Green M4-L89-14.5-PB-RGA

XPROD RAIL SYSTEM COBRA LW 14.5 AR15 BLK MLOK

XPROD RAIL SYSTEM COBRA LW 14.5 AR15 BLK KEYMOD

Armalite M15 Tactical 5.56 NATO Upper Assy 14.5"

Armalite M15 Tactical Upper Assy 18" bbl UM15TAC18

Armalite M15 Tactical Upper Assy 16" bbl UM15TAC16

Armalite M15 3 Gun Upper Assy 18" bbl UM153GN18

XS Sight Systems AR-GAT MilSpec Flash Hider CSAT Glass Assault Tool

5.56 AMBI CHARGING HANDLE BLACK ANODIZED

Black Rain Ordnance Left Hand Bolt Carrier Group 223Rem/556NATO, Biohazard Engraved, Nickel Boron Finish BRO-BCG-LH

Black Rain Ordnance Slim Handguard 5.56 FDE

Sons of Liberty Gun Works SOLGW L89 5.56mm 14.5" No Muzzle Device No BCG/CH Upper Receiver M4L89UPPER-14.5-556-NMD

Sons of Liberty Gun Works AR-15 Barrel 5.56x45mm NATO 13.9" Government Contour 1:7" Twist QPQ

Sons of Liberty Gun Works AR-15 L89 Pinned and Welded Complete Upper Receiver 5.56x45mm 13.7" Barrel 13.75" L89 M-LOK Rail

APF M16 BOLT CARRIER GROUP .223/5.56 WITH SP4 COATING WITH RETAIL PACK BLK

HK MR556 UPPER RECEIVER KIT 9 MRS HANDGUARD

AM BARREL ASSEMBLY RF85 TREATED

ANDERSON 5.56 Lower Parts Kit

ANDERSON Complete sport upper 5.56 16" NO FA BCG or CH

ANDERSON 5.56 16IN M4 BARREL - MID LENGTH