M4/M16 Parts

Colt MK18 Mod 1 RIS II Upper Assembly

Colt

Colt MK18 Mod 1 RIS II Upper Assembly (Savannah GA)

Colt

Surplus USGI 5.56 M4/M16 Stanag 30rd Magazine

Surplus Diemaco Colt Full Auto BCG "C Stamp"

Colt

Surplus FN Full Auto BCG

FN

Surplus Advanced Ordnance Full Auto BCG

KAC Stripped Upper Receiver

Knights Armament

Surplus Colt Upper Receiver (Grade A)

Colt

B5 SOPMOD Government Issue Rifle Stock (1st Gen)

B5 Systems

Knights Armament Ambi Selector Switch (Old Gen)

Knights Armament

Daniel Defense MK12 Low Profile Gas Block

Daniel Defense