Rock River Arms

Rock River Mid Length Upper Receiver, 6.8mm SPC

SKU# SPC0375X
  • Sale
  • Regular price $699.99


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