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16" 5.56 Carbine Upper Receiver - Black | A2 | 15" M-LOK | Without BCG & CH

16" 5.56 Carbine Upper Receiver - Black | A2 | 15" M-LOK | Without BCG & CH

Rating: Total Reviews: (1 review) Write a Review
Product Code: RTBBU-16BLK
MSRP: $473.95
Sale Price: Sale Price: $272.95
$272.95
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Barreled 16" 5.56 Carbine Upper Receiver | A2 | 15" M-LOK

NO BCG OR CHARGING HANDLE INCLUDED

Click here for Charging Handles

Click here for Bolt Carrier Groups

This Barreled 16 inch M-LOK upper receiver comes with a 15 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:
  • Length - 16"
  • Material - 4150 Chrome Moly Vanadium
  • Finish - Black Nitride
  • Profile - M4 Contour
  • Gas System Length - Carbine Length
  • Gas Block Journal - .750"
  • Twist Rate - 1:7 inches
  • Muzzle - 1/2x28 Threaded
  • Weight - 2.5 Pounds
  • Other Info - M4 Feed Ramps


Upper Receiver:

  • Machined from a Mil-Spec 7075 T6 Forging
  • Black Anodization
  • M4 Feed ramps


Handguard:

  • 15" Lightweight - Free Float M-LOK
  • Black Anodization
***Please allow an additional 2-3 business days of lead time as these uppers are made to order.***
SKU:
RTBBU-16BLK

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Rating:
1 Review

  • Daniel Tomlinson

    Jan 30th 2023
    5 Jan 30th 2023
    Pleased 2 times!

    There was a small description discrepancy with my order so I had the opportunity to experience the customer support. RTB was SUPER quick to address the issue and ensured that customer satisfaction was emphasized. That kind of service is hard to find and is appreciated more and more everyday. The upper is true quality with zero assembly tooling marks or scratches. The handguard is quality and hosts the barrel at a dead center position. I'm please with the product and please with the customer service... Pleased on 2 accounts! I'll recommend RTB to others anytime.