Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm

1 Brand

None

2 Category

Gun Parts

3 Cartridge

5.56x45mm NATO

4 Finish

Black Parkerized

5 Material

Aluminum

6 Style

M4 Polymer

7 Barrel Length

14.5 Inches

8 Twist

1:7 Inches

9 Threads

1/2"-28

10 Barrel Contour

M4

11 Sights

Yes

12 Barrel Finish

Black Parkerized

13 Chrome Lined

Yes

14 Gas Block Diameter

0.75 Inches

15 Gas System Length

Carbine

16 M4 Feed Ramps

Yes

17 Upper Receiver Type

A3 Flat-Top

18 Barrel Material

Chrome Moly Vanadium Steel

19 Handguard

M4 Style Polymer

20 Bolt Carrier Assembly Included

Yes

21 Muzzle Device

A2 Flash Hider

22 Mil-Spec or Commercial

Mil-Spec

23 Shipping Weight

4.875 Pounds

24 Compatible