MSTN Precision 18" SPR Mod 2Upper Receiver Group


Brand: MSTN
Product Type: Upper Receiver Group

Product Description

MSTN Precision 18" SPR Mod 2Upper Receiver Group

wonderful precision upper from Wes Grant at MSTN

  • Custom Noveske 39.0 ounce 18" SS three groove 1x8" twist barrel with rifle length gas system
  • Custom rifle length gas tube, Ionbond Diamondblack coated
  • Feed ramps polished and contoured
  • LMT shot-peened, proof round tested, MP inspected bolt fitted at 1.4646" +0.001"/- 0.000", Ionbond Diamondblack coated down to the gas rings
  • Young Manufacturing Standard full auto bolt carrier, forged, then centerless ground, then hard chromed, then Ionbond Diamondblack coated, with gas key torqued and staked properly
  • Vltor MUR upper receiver with forward assist and MSTN logo
  • BCM/Vltor Gunfighter charging handle
  • BCM KMR 13" forend with two KeyMod rail sections
  • Vltor KeyMod QD sling mount
  • MSTN QC Brake
  • Function tested