Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm Monolithic Rail

1 Brand

None

2 Category

Gun Parts

3 Cartridge

5.56x45mm NATO

4 Finish

Black Parkerized

5 Material

Aluminum

6 Barrel Length

11.5 Inches

7 Twist

1:7 Inches

8 Threads

1/2"-28

9 Barrel Contour

M4

10 Sights

Yes

11 Barrel Finish

Black Parkerized

12 Chrome Lined

Yes

13 Gas Block Diameter

0.75 Inches

14 Gas System Length

Carbine

15 M4 Feed Ramps

Yes

16 Upper Receiver Type

A3 Flat-Top

17 Barrel Material

4150 Chrome Moly Vanadium Steel

18 Handguard

Monolithic

19 Bolt Carrier Assembly Included

Yes

20 Muzzle Device

A2 Flash Hider

21 Mil-Spec or Commercial

Mil-Spec

22 Country of Origin

United States of America

23 Shipping Weight

4.740 Pounds

24 Compatible