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16" 300 AAC Blackout KM13 Upper 16" 300 AAC Blackout SSR13 Upper 16" 300 AAC Blackout KM12-S Upper or Kit Package
  • 16" barrel length and chambered in 300 AAC Blackout.
  • Your choice of 16" 1:8 twist in mag phos carbine barrel or 16" 416R stainless pistol gas barrel as a upgrade.
  • 5/8x24 threaded.
  • 7075 T6 forged aluminum caliber marked upper.
  • Extended M4 feed ramps.
  • Available with 13” keymod free floating handguard.
  • Low profile gas block secured in place by dimpling of the barrel.
  • Available with MPI tested mil spec, nitride or nickel boron M16 bolt carrier group as a upgrade.
  • Made with 100% U.S. made parts.
Please allow 5 to 7 business days for your upper to be shipped. It will be shipped signature required.
  • 16" 300 AAC Blackout 1:8 carbine length barrel
  • Extended M4 feed ramps
  • Machined from hardened 4140 chrome moly steel and manganese phosphate finished
  • 13" SSR Free floating hand guard
  • Low profile gas block secured in place by dimpling of the barrel
  • Comes standard with a Nitride treated MPI test Bolt Carrier Group.
  • Must use with standard carbine buffer. Do not use H or heavier buffers.
  • Assembled 100% U.S. made parts.
  • 2 year warranty again malfunctions
  • Test fired to ensure function.

Please allow 5 to 7 business days for your upper to be shipped. It will be shipped signature required.
This package will supply all the necessary parts to build a complete rifle.

Upper receiver specifications:
  • Pistol gas port location. Will reliably cycle supersonic and subsonic ammunition.
  • 1:8 twist barrel machined from 416R stainless with 28 to 32 RC hardness.
  • 5/8x24 & threaded concentric to bore.
  • 7075 T6 forged aluminum caliber marked upper.
  • Extended M4 feed ramps.
  • 12" Seekins Precision MCSR free floating keymod hand guard.
  • Low profile gas block secured in place by dimpling of the barrel.
  • Available with MPI tested mil spec nitride or nickel boron M16 bolt carrier group or no bolt carrier group.
  • Test fired and made with 100% U.S. made parts.
Lower parts options:
  • Lower Parts Kit with Black Magpul MOE Carbine Stock and MOE Grip.
  • Upper only, no lower parts.
  • Assembled with 100% U.S. made parts.
  • 2 year warranty against malfunctions
  • Test fired to ensure function.
16" 300 BLK KM15-C Rifle Kit 16" 300 BLK MLOK15 Upper
16" 300 BLK MLOK15 Upper
Our Price: $699.95
  • 16" barrel length and chambered in 300 AAC Blackout.
  • Pistol gas port location. Will reliably cycle supersonic and subsonic ammunition.
  • 1:8 twist rate.
  • twist barrel machined from 416R stainless with 28 to 32 RC hardness.
  • 5/8x24 & threaded concentric to bore.
  • 7075 T6 forged aluminum caliber marked upper.
  • Extended M4 feed ramps.
  • 15" Free floating keymod hand guard with C cut out.
  • Low profile gas block secured in place by dimpling of the barrel.
  • Available with Mil Spec MPI tested BCG or Nickel boron M16 bolt carrier group or no bolt carrier group
  • As an upgrade we can true the upper surface where the barrel extensions inserts to ensure a flat mating surface. Please allow an additional 2 to 3 days to complete.
  • Polished feed ramps are also available as a upgrade. Please allow an additional 2 to 3 days to complete.
  • Test fired and made with 100% U.S. made parts.
  • Limited life time warranty.
Please allow 3 to 7 days for your order to be processed and shipped.
  • 16" barrel length and chambered in 300 AAC Blackout.
  • 1:7 twist 4150 chrome moly steel.
  • 5/8x24 threaded.
  • Built with a pistol gas port location which will allow for reliable cycling with subsonic or supersonic ammo.
  • 7075 T6 forged aluminum caliber marked upper.
  • Extended M4 feed ramps.
  • 15" Free floating hand guard cut for Magpul's modular M-LOK accessory attachments.
  • Low profile gas block secured in place by dimpling of the barrel.
  • Available with MPI tested mil spec, nitride or nickel boron M16 bolt carrier group.
  • Test fired and made with 100% U.S. made parts.