8.5″ .40 S&W AR-15 PCC Complete Upper Receiver
Product Specs:
- 7075-T6 Billet PCC Upper Receiver
- 9.5″ MLOK free floating rail
- 8.5″(OAL) .40 S&W barrel
- 1:16 Twist
- 4150 Steel
- Nitride Coated
- Chrome-moly lined
- .578×28 slim flash can
- This upper comes complete with a nitride coated .40S%W bolt carrier group (BCG) and a standard charging handle.
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