8.5" 300 BLK Complete Upper, NFA MLOK Handguard - Tungsten Cerakote

$340.00 Excl. tax In stock


Sam Diego Tactical


Sam Diego Tactical's 8.5" 300 Blackout Complete Upper in Tungsten Cerakote. 

Cerakote applied by our partner Modern Arms Custom Koating.


  • 8.5" 300 Blackout Barrel (1:7) w/Pistol Length Gas System
  • New Frontier Armory AR15 Upper Receiver
  • Aero Precision Upper Parts Kit (Dust Cover and Forward Assist)
  • New Frontier Armory 7" M-LOK Handguard
  • Aero Precision Low-Profile Gas Block
  • Melanite Gas Tube
  • A2 Muzzle Device

Does not include bolt carrier group or charging handle (sold separately).

Our complete upper receivers are assembled in-house, with barrels torqued to 45-60 ft-lbs, gas block set screws torqued to 30 in-lbs, and guaranteed against defects in components or assembly.