Rock River Arms

Rock River CAR Length Upper Receiver, 6.8mm SPC

  • Sale
  • Regular price $699.99

One (1) new Rock River Arms complete upper receiver in 6.8mm SPC II with a 16" chrome moly barrel. This upper receiver has a 1/10" twist, a Carbine length free float quad rail with three small ladder covers, bolt carrier group, and charing handle.