14.5 Complete Upper

$799.00
sold out
  • 7075-T6 type 3 hard coat, Cerro forge upper, dry film lubed, thermal fit, T-marked, and hand lapped face.

  • The bore is checked with “go/no-go” gauges.

  • Barrel nut threads are seasoned upon assembly.

  • Rosco improved HBAR profile phosphate and chrome lined barrel. 14.5” in length with a mid-length gas system and an optimized gas port. Barrels are checked for headspace with the bolt the upper is assembled with. Barrels are double dimpled for the gas block.

  • Gas block set screws are set in place with loctite 272 and torqued to 20 lbs/inch.

  • Microbest Nitride bolt carrier group, HPT and MPI, chrome lined bores, Sprinco ejector and extractor springs, C-158 bolt, 8620 tool steel carrier, M16 cut. These carriers are QC’d in house by MTS with a series of “go/no-go” gauges, including headspace and firing pin protrusion. Gas rings are confirmed not to be in line with each other. Gas key staking is visually checked.

  • Cross Machine and Tool 13” HDM black M-LOK handguard. Barrel nut and handguard attachment hardware torqued per CMT’s spec.

  • Geissele black Government charging handle

  • Rearden R2 17-4 flash hider. Atlas and plan b compatible mount secured with Rockset. Torqued to Reardens spec of 20 lb/ft. Muzzle alignment checked with rod and suppressor. Black finish.

  • This upper does not come to 16 in barrel length, all NFA rules apply.

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  • 7075-T6 type 3 hard coat, Cerro forge upper, dry film lubed, thermal fit, T-marked, and hand lapped face.

  • The bore is checked with “go/no-go” gauges.

  • Barrel nut threads are seasoned upon assembly.

  • Rosco improved HBAR profile phosphate and chrome lined barrel. 14.5” in length with a mid-length gas system and an optimized gas port. Barrels are checked for headspace with the bolt the upper is assembled with. Barrels are double dimpled for the gas block.

  • Gas block set screws are set in place with loctite 272 and torqued to 20 lbs/inch.

  • Microbest Nitride bolt carrier group, HPT and MPI, chrome lined bores, Sprinco ejector and extractor springs, C-158 bolt, 8620 tool steel carrier, M16 cut. These carriers are QC’d in house by MTS with a series of “go/no-go” gauges, including headspace and firing pin protrusion. Gas rings are confirmed not to be in line with each other. Gas key staking is visually checked.

  • Cross Machine and Tool 13” HDM black M-LOK handguard. Barrel nut and handguard attachment hardware torqued per CMT’s spec.

  • Geissele black Government charging handle

  • Rearden R2 17-4 flash hider. Atlas and plan b compatible mount secured with Rockset. Torqued to Reardens spec of 20 lb/ft. Muzzle alignment checked with rod and suppressor. Black finish.

  • This upper does not come to 16 in barrel length, all NFA rules apply.

  • 7075-T6 type 3 hard coat, Cerro forge upper, dry film lubed, thermal fit, T-marked, and hand lapped face.

  • The bore is checked with “go/no-go” gauges.

  • Barrel nut threads are seasoned upon assembly.

  • Rosco improved HBAR profile phosphate and chrome lined barrel. 14.5” in length with a mid-length gas system and an optimized gas port. Barrels are checked for headspace with the bolt the upper is assembled with. Barrels are double dimpled for the gas block.

  • Gas block set screws are set in place with loctite 272 and torqued to 20 lbs/inch.

  • Microbest Nitride bolt carrier group, HPT and MPI, chrome lined bores, Sprinco ejector and extractor springs, C-158 bolt, 8620 tool steel carrier, M16 cut. These carriers are QC’d in house by MTS with a series of “go/no-go” gauges, including headspace and firing pin protrusion. Gas rings are confirmed not to be in line with each other. Gas key staking is visually checked.

  • Cross Machine and Tool 13” HDM black M-LOK handguard. Barrel nut and handguard attachment hardware torqued per CMT’s spec.

  • Geissele black Government charging handle

  • Rearden R2 17-4 flash hider. Atlas and plan b compatible mount secured with Rockset. Torqued to Reardens spec of 20 lb/ft. Muzzle alignment checked with rod and suppressor. Black finish.

  • This upper does not come to 16 in barrel length, all NFA rules apply.