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AR-15 Unassembled Upper Assembly – 16″ / .223 | 5.56 / 1:8 / 13″ CBC Arms Gen 2 Keymod AR-15 Handguard / Rail

Rated 5.00 out of 5 based on 2 customer ratings
(2 customer reviews)

$279.99 $189.99

Only 2 left in stock

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Description

Features:

7075-T6 Aluminum
Mil-Spec Anodized Receiver
Carbine Length Gas Tube Assembly
16″ .223 | 5.56 Barrel
4150 Chrome Moly Steel Nitride Coated Barrel
Standard Flash Hider
Twist Rate: 1:8
13″ CBC Arms Gen 2 Handguard/Rail

*Does Not Include Bolt Carrier Group & Charging Handle*

 

Additional information

Weight 2 lbs
Dimensions 16 x 11 x 2 in
Platform

Caliber

Barrel Length

Rail/Handguard

Twist Rate

2 reviews for AR-15 Unassembled Upper Assembly – 16″ / .223 | 5.56 / 1:8 / 13″ CBC Arms Gen 2 Keymod AR-15 Handguard / Rail

  1. Rated 5 out of 5

    Jason

    I’ve never assembled any gun parts before, but I’m pretty handy working on bicycles, and carpentry. I didn’t have any problem with this. You’ll need a torque wrench, vice block to hold the lower steady, and I used a Snap-On adjustable crow foot 3/8″ wrench for torqueing the barrel to the receiver.

    I wasn’t able to find assembly instructions on this site, but these 2 YouTube videos really helped:
    https://www.youtube.com/watch?v=MngN1Gfof5U&list=FLO2FKqjANhdVyBzpIcSA3Ug&index=1 -This guys barrel nut was 1-3/16″ not 1-1/8″

    I put it on a Palmetto Arms lower, and it fit perfectly, the black anodizing was a flawless match.

    other comments:
    I believe the barrel nut to be 1-1/8″ but the machining only allows for a narrow wrench. Most inexpensive crows foot or adjustable wrenches won’t fit the width. 1-1/8″ size will mar the anodizing a little, since the fit is so exact, you have to work the wrench into place. I found the adjustable crows foot wrench by Snap-On to be an easier choice, and a little more forgiving. (although expensive, the Snap-On brand has a narrow footprint)
    https://store.snapon.com/Adjustable-inches-mm-Wrench-Crowfoot-Adjustable-3-8-drive-P644784.aspx

  2. Rated 5 out of 5

    Larry Franklin

    Easy to take an inexpensive wrench, such as open ended or a combo type and using a surface grinder, narrow the width to fit. Shadetree mechanic milling machine!
    Lawrence -Retired Equipment Shop Foreman
    ASE Master Tech (for 1 more year)
    E1-3, A1-A9, T1-T8, H2,T2- T7.

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