BG 16" 9mm Upper Receiver - BLK | A2 | 12" M-LOK HG | Pistol Caliber | Without BCG & CH

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Product Code: BGBU-169MM12-BLK
MSRP: $390.95
Sale Price: Sale Price: $185.95
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Builder's Grade 16" 9mm Upper Receiver | A2 | 12" M-LOK Handguard | Pistol Caliber | Black | Without Bolt Carrier Group and Charging Handle

This Barreled 16 inch M-LOK upper receiver comes with a 12 inch free-float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 M4 barrel.

  • Barrel Material: 4150 CMV Steel
  • Barrel Type: Button Rifled
  • Barrel Caliber: 9MM SAAMI (9x19mm Parabellum)
  • Barrel Twist: 1:10
  • Barrel Length: 16”
  • Barrel Profile: Light (.740" at the thinnest cross-section)
  • Inside Finish: Black QPQ Salt Bath Nitride
  • Outside Finish: Black QPQ Salt Bath Nitride
  • Muzzle Thread: 1/2x36" TPI (Threads Per Inch)
  • Barrel Extension: AR15 (Will work with any Milspec AR15 Upper Receiver)
  • Integrated feed ramp
  • Designed to work with both Colt and Glock style AR-9 builds
  • 11-degree Target Crown

Upper Receiver:

  • Machined from a Mil-Spec 7075 T6 Forging
  • Black Anodization


  • 12" free-float handguard
  • MIL-STD 1913 Picatinny rail on top
  • M-Lok slots on 3 sides
  • Precision Machined aircraft grade aluminum, for high strength and weight savings
  • Clamp-on system for easy assembly
  • Steel Barrel nut to resist movement under heat
  • Made in the USA
***Please allow an additional 2-3 business days of lead time as these uppers are made to order.***