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16'' 556 NATO Parkerized M4 Barrel
12'' Rail - A2 Flash Hider
AR15 Rifle Upper Assembly

16" 5.56 NATO AR15 M4 Chrome Moly Upper Assembly 1x8 Midlength Free Float Rail


 
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List Price: $399.99
Our Price: $309.99
Savings: $90.00

Quantity in Stock:528
Product Code: 16556M4CMU1X1FSQRML


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Description
 

16" 556 NATO Parkerized M4 Barrel AR15 Rifle Upper Assembly with 12" Rail and A2 Flash Hider

  • 16" 556 NATO 4150 Chrome Moly M4 Contour Parkerized Barrel with 1x8 Twist and 1/2x28 Threads.
  • Mil-Spec Upper Receiver forged from 7075 T6 aluminum with forward assist and dust cover assembly installed. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
  • 12" Narrow Profile Free Float Rail machined from 6061 T6 aluminum. Very comfortable and very light weight. Your choice of MLOK or KEYMOD attachment points along the entire length at 3, 6, and 9 positions. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
  • 0.750" Low Profile Gas Block.
  • Carbine Length Gas System.
  • Mil-Spec A2 Flash Hider with crush washer.
  • OPTION - Choose the Rail Type (MLOK or KEYMOD)
  • OPTION - Upgrade Muzzle Device
  • OPTION - Add a Magazine
  • OPTION - Add a Bolt Carrier Group
  • OPTION - Add a Charging Handle

This upper assembly will fit all standard AR15 lower receivers.

This item is "Firearm Parts", not a complete firearm (no serialized components). It will be shipped directly to you with no FFL transfer required.

You are responsible for knowing federal, state and local laws applicable to this item. AR15Part.com reserves the right to not ship to addresses where it may not be legal to own this item.


Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 93 Write a review »

  0 of 0 people found the following review helpful:
 
5 of 5 Zero complaints! February 22, 2021
Reviewer: John Wright  
So far i am very happy with my purchase.  I was provided a tracking number,  it was shipped quickly, and looks awesome, feels awesome.  I'm already thinking about ordering another.

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  0 of 0 people found the following review helpful:
 
5 of 5 Amazing Customer Service February 21, 2021
Reviewer: Kevin P from Denton, TX United States  
Very nice hardware but it was the customer service that made it amazing. Both before and after the sale I got calls from the staff to address questions instead of emails.  And then a follow up email to make sure everything was good.

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  0 of 0 people found the following review helpful:
 
5 of 5 Great product February 7, 2021
Reviewer: Kyle from PA United States  
Came in fast and works perfectly!

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  0 of 0 people found the following review helpful:
 
5 of 5 Great Product! February 6, 2021
Reviewer: J  
Looks just as advertised. Have yet to use it to see how it shoots.

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  0 of 0 people found the following review helpful:
 
5 of 5 Fast shipping!! February 5, 2021
Reviewer: J G  
I purchased an upper and it arrived within a week! Competitive pricing as well!

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