Shopping > AR-15 Parts > A2 Upper Receiver Parts # 1Click for larger image Upper Receiver Parts # 2 Price: $0.00 Select Below 1. Front Sight Post A2 Square (+$6.00) 1A. Front Sight Post Round A-1 (+$6.00) 2. Front Sight Detent (+$1.00) 3. Front Sight Spring (+$0.50) 4. Front Swivel (+$2.00) 5. Front Sight Rivet (+$0.50) 6. Barrel Nut (+$8.00) 7. Barrel Extension (+$19.95) 8. Front Sight Base ( Not Drilled) (+$34.95) 9. Front Sight Paper Pin (2-Required) (+$0.75) 3372:+:6,3373:+:6,3374:+:1,3375:+:0.5,3376:+:2,3377:+:0.5,3378:+:8,3379:+:19.95,3380:+:34.95,3381:+:0.75 Quantity: Select Parts Below
 "Upper Receiver Parts # 2")