Linemount Retro SP1 Reproduction AR15 Upper Receiver | w/Rear Sight and M4 Feed Ramps

Features:

• • Close Reproduction of SP1 Upper
  • A1-style Ejection Port Cover Door Assembly Installed
  • A1 Rear Sight Assembly Installed
  • No Shell Deflector
  • No Forward Assist
  • Correct early-style carry handle contours
  • Counterbored for non captive pivot pins like the original SP1s (also fits captive pivot pins)
  • Anchor Harvey 7075-T6 Aluminum Forging
  • Hard Coat Anodized Black
  • M4 Feed Ramps
  • Made in USA