Mk1 AR15 Upper Receiver, Assembled

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Now: $119.00

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(4 reviews) Write a Review

Description

The Mk1 AR-15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps.

Specs:

7075-T6 Aluminum
Mil-A-8625F, Type III, Class2 anodized finish
M4 feedramps
Forward assist & ejection port door included (assembled)

Additional Details

SKU:: MK1UR

4 Reviews

5
Mark1 upper receiver

Published by Robert Mccollum on 21st Dec 2023

Ordered this upper receiver to go on a griffin mk2 lower the fit and finish is great. They have awesome quality control.
5
Great upper

Published by Jared on 21st Aug 2023

Like the other review stated, no T marks, but I’m fine with that. Great fitment and uses a thermal fit for barrel extensions, which is always a plus for me
5
Quality product

Published by Ricky Humphrey on 16th Feb 2023

I bought both the lower and upper to do a Griffin build both receivers matched perfect and nice with no wobble. I am very pleased with the he quality of this upper.
4
Upper receiver

Published by B.Keller on 29th Nov 2022

Key hole forge mark, no T marks on picatinny rail. All in all a solid upper, I have no complaints.