Shopping > AR-15 Parts > Lower Receiver PartsClick for larger image Lower Receiver Parts 2 Price: $0.00 Select (1) Buttstock Extension Tube (+$15.95) (2) Buffer Retainer (+$1.50) (3) Buffer Retainer Spring (+$0.75) (4) Trigger Guard Assembly (Aluminum) Includes Pin (+$5.95) (5) Trigger Guard Pin (+$0.75) (6.1)Forged Stripped (+$139.95) 3257:+:15.95,3258:+:1.5,3259:+:0.75,3260:+:5.95,3261:+:0.75,3262:+:139.95 Quantity: Forged Stripped Receivers (.223/5.56) Lower parts