M4A1 Block I

Parts List

Lower Receiver: Colt A2 Profile Lower with UID Label

Stock: LMT Sopmod Gen 1, Colt Car, Colt Waffle, 

Grip: Standard A2, Ergo

Trigger: Colt, Geissele SSA/SSA-E

Trigger Guard: GI

Rear Sling Mount: CQD

Upper Receiver

Upper Receiver: Colt AF/"Keyhole"/Square

Barrel: Colt 14.5" FSP SOCOM Profile

Gas Block: Front Sight Base Gas Block

Muzzle Device: Knights Armament NT4 Flash Hider

Handguard: Knights Armament RAS

Bolt Carrier Group: Colt

Charging Handle: Standard GI, PRI