This is a used upper with about 200 rds fired. It runs clean and cool. No cosmetic nor functional issues.

Features of Adams Arms P1 Upper 5.56 - 16in Mid Length Short Stroke Gas Piston

  • Upper Receiver: A4 Flat-Top
  • Forged
  • Barrel Length: 16"
  • Barrel Contour: Government
  • Barrel Material: 4150 Chrome Moly Vanadium Steel
  • Muzzle Thread Pattern: 1/2"-28
  • Barrel Finish: QPQ Melonite / Black Nitride
  • Twist Rate: 1 in 7"
  • Chamber: 5.56x45mm NATO
  • M4 Feed Ramps: Yes
  • Bolt Carrier: Full-Auto Rated 1-Piece w/Integral Piston Strike Face
  • Muzzle Device: A2 Flash Hider
  • Gas System Length: Mid
  • Short Stroke Piston Operated
  • Gas Block Diameter: 0.750"
  • Handguard: Magpul MOE Handguards
  • Sights: None

Parts for Adams Arms are available from adamsarms dot net.

Not looking for trades, thanks.