BG Complete 5.5" 9mm Upper Receiver - Black | FLASH CAN | 7" M-LOK | With BCG & CH

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Product Code: BG559MM7FC-BLK
List Price: $429.95
MSRP: $437.95
Sale Price: Sale Price: $187.95
Savings: $242.00
$187.95
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Builder's Grade Complete 5.5" 9mm Upper Receiver - Black | FLASH CAN | 7" M-LOK | With Bolt Carrier Group and Charging Handle

This Complete 5.5 inch M-LOK upper receiver comes with a 7 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.


Barrel:

  • Length - 5.5"
  • Material - 4150 Chrome Moly Vanadium
  • Profile - Straight
  • Finish - QPQ Corrosion Resistant
  • Gas System Length - None
  • Gas Block Journal - N/A
  • Twist Rate - 1:10 inches
  • Muzzle - 1/2x36 Threaded
  • Weight - 9.7oz


Bolt Carrier Group:

    • Colt & Glock Compatible
    • USA made 8620 Steel Carrier Construction
    • Phosphated or Nitrided Finish
    • Heavy Firing Pin Retaining Spring
    • 13.7 oz.


Upper Receiver:

This .22LR / 9mm upper receiver assembly is made from forged 7075-T6 aluminum and is Hard Coat Anodized. It meets military specifications and comes in a true slick side configuration. The ejection port door is sized for 9mm and 22LR. This upper does not have a shell deflector, nor does it have a forward assist.

  • Machined from a Mil-Spec 7075 T6 forging
  • Type III Hardcoat Anodized finish


Handguard:

  • 7" free float handguard
  • MIL-STD 1913 Picatinny rail on top
  • 2 M-Lok slots on 3 sides
  • Precision Machined aircraft grade aluminum, for high strength and weight savings
  • Hard Coat Anodized per Mil-A-8625F, Type III, Class 2
  • Clamp on system for easy assembly
  • Steel Barrel nut to resist movement under heat
  • 8.9 oz with barrel nut and hardware
  • 1.35" Inside Diameter
  • 1.63" Wide
  • Made in USA


Charging Handle:

  • Alloy Charging Handle Assembly
  • Complete with Standard Latch
  • Made from hardcoat anodized aluminum
  • Black finish

Please Note: Uppers may present light fouling from our quality control process and/or test firing



***Please allow an additional 2-3 business days of lead time as these uppers are made to order.***

SKU:
BG559MM7FC-BLK