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BG Upper Build Kit 16" 5.56 - Black | A2 | 12" M-LOK | With BCG & CH

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Product Code: UBK-BG1655612-BLK
Quantity in Stock Quantity in Stock: IN STOCK
List Price: $429.95
MSRP: $429.95
Sale Price: Sale Price: $284.95
Savings: $145.00
$284.95
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BG Upper Build Kit 16" 5.56 - Black | A2 | 12" M-LOK | With BCG & CH

This build kit DOES NOT come assembled. 

This Complete 16 inch M-LOK upper receiver build kit comes with a 12 inch free float handguard and includes only the best Mil-Spec components for your AR15 build. The core components of this kit are a barrel that’s machined from chrome moly vanadium 4150 steel, an M4 upper that is machined from 7075 T6 forgings, and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.

As a “do it yourselfers" or DIY enthusiast, you may prefer an AR-15 build kit over a complete upper. Building an AR-15 from a kit allows for a greater level of customization and personalization of the final product. DIYers can choose from a variety of components, such as barrels, handguards, and triggers, to create a rifle that meets their specific needs and preferences. Additionally, building an AR-15 from a kit can be a rewarding and educational experience, as it allows you to gain a deeper understanding of how their firearm functions and how to properly maintain it. Building an AR-15 from a kit may often be more cost-effective than purchasing a complete upper, as it allows DIYers to select only the components they need, rather than paying for pre-assembled parts they may not want or need.

We also carry this Upper Receiver Kit assembled here.

Barrel
Specifications
Caliber 5.56
Length 16"
Material 4150 Chrome Moly Vanadium
Profile Government
Finish QPQ Corrosion Resistant
Gas System Length MidLength
Gas Block Journal .750"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 27.2oz
Barrel Extension M4 Feed Ramps
Target Crown 11 Degree

 
Bolt Carrier Group:

  • Enhanced 9310 Steel (Bolt)
  • 8620 Tool Steel (Carrier)
  • Bolt is shot Peened and MPI
  • All BCG components are pre-polished before being processed and then post polished for an incredible shine


Upper Receiver:

  • Machined from a Mil-Spec 7075 T6 forging Hard Coat Anodized per Mil-A-8625F, Type III
  • M4 Feed ramps
  • Made in the U.S.A.


Handguard:

  • 12" free float handguard
  • MIL-STD 1913 Picatinny rail on top
  • 3 M-Lok slots on 3 sides
  • Precision Machined 6000 Series 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
  • 11.7 oz with barrel nut and hardware
  • 1.35" Inside Diameter
  • 1.63" Wide
  • Made in USA


Charging Handle:

  • Tried and True Standard Charging Handle
  • Forged 7075 Aluminum construction
  • Mil-Spec Type-III Hardcoat Anodized finish
  • Caliber - .223 / 5.56 / 300 Blackout
  • Made in the USA

SKU:
UBK-BG1655612-BLK