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)
B.Keller –
Key hole forge mark, no T marks on picatinny rail. All in all a solid upper, I have no complaints.
Ricky Humphrey –
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.
Jared –
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
Robert Mccollum –
Ordered this upper receiver to go on a griffin mk2 lower the fit and finish is great. They have awesome quality control.
Jeff Carpenter –
Bough this on a black Friday special and arrived quicky. Everything looks great and assembled and shot exactly how I would expect.