5.56x45mm NATO Parts Kits

CMMG AR-15 Gunbuilders Lower Receiver Parts Kit

CMMG AR-15 Lower Receiver Parts Kit

Strike Industries AR-15 Enhanced Lower Receiver Parts Kit

Strike Industries AR-15 Enhanced Lower Receiver Parts Kit with Trigger Group

Wilson Combat AR-15 Small Parts Lower Receiver Parts Kit

Daniel Defense Lower Receiver Parts Kit

Armaspec Gun Builders Kit AR-15 Black

Luth-AR AR-15 Builders Kit Lower Receiver Parts Kit

One Horse AR-15 Complete Lower Parts Kit

Armaspec Lower Parts Kit AR-15 Black

Luth-AR AR-15 Complete Lower Receiver Parts Kit

LMT Defense Lower Parts Kit With Trigger Group 5.56

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

Ar-15 Lower Parts Kit - Ar-15 Lower Parts Kit W/ Ambidextrous Selector

KE ARMS LOWER PARTS KIT 223/5.56

Velocity Ar-15 3lb Trigger W/ Free Lower Parts Kit - Velocity 3-Lb Curved Ar-15 Trigger W/ Free Lower Parts Kit

Ar-15 Gi Lower Parts Kit With Adjustable Stock Assembly - Ar15 Gi Lpk W/Adjustable Stock Assembly

CMMG AR-15 Bolt Upgrade Kit

CMMG MK3 HD AR-15 Pivot and Takedown Pin Kit Steel Matte

Rosco Bloodline Sauce Pack 5.56 16 Barrel

Rosco Bloodline 5.56 NATO / .223 Rem 10.5 Barrel with Gas Block / Gas Tube / Bolt Carrier Group

KAK Industry Carrier Completion Kit

Rosco Bloodline Sauce Pack 5.56 14.5 Barrel

Rosco Bloodline Barrrel 5.56 NATO / .223 Rem 12.5 Barrel