Barrel Lug: Short lug
Battle Sight on RSL:Uncertain
Bayonet Type: Spike
Bayonet Lug: Uncertain
Bolt Carrier: Late Non-Cut
Gas Tube: Early 1 Piece
Gas Block: Uncertain
Receiver Cover Takedown: Normal
Rear Sight Block: Uncertain
Serial Number Format: 7 Digits, 2216724
S/N on Components: Last 5 digits
S/N on Stock: Last 5digits
Stock Swivel: Bottom
Trigger Group Type: Late Stamped