MSTN Standard Hard Use Upper Receiver Assembly

Orders made between November 15th & 29th will be
fulfilled and shipped after November 29th, Thanks!

  • Noveske 14.5" hammer forged, chrome lined, 1x7" twist barrel with mid-length gas system, pinned and welded MSTN QC brake
  • 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 National Match 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 KeyMod rail section
  • BCM KeyMod QD sling mount
  • MSTN QC Brake
  • Function tested


Noveske 14.5" hammer forged, chrome lined (included)
Noveske 16" hammer forged, chrome lined, no pin/weld (subract $75)

Upper Receiver/Forend

VLTOR MUR/BCM KMR 13" w/ two KeyMod rail sections (included)
VLTOR MUR/KAC URX 3.1 (add $25)
VLTOR MUR/Geissele Mk 8 13" forend black (add $25)
VLTOR MUR/Geissele Mk 8 13" forend desert dirt (add $50)
VLTOR VIS-KM 12" (add $175)

Charging Handle

BCM/VLTOR Gunfighter (included)
PRI Gas Buster (add $43)

Muzzle Attachment

MSTN QC Brake (included)
Surefire SOCOM 3P (add $50)
Surefire SOCOM MB556 (add $70)


Troy® Sights/Set (add $210)
KAC Micro Sights/Set (add $306)
Aimpoint T-1 in Larue LT751 mount (add $750)
Elcan SpecterDR™ 1x4 (add $2283)


Cerakote™ Upper Reciever and Forend, one color (add $150)