Colt SOCOM Upper Reciever Kit

A heavy-barrel duty upper is a complete assembly. You do not build this profile from spare parts.

The extra barrel mass is there for heat. The rail is there for what you hang on the gun.

Heavy Barrel: You hold a 14.5-inch chrome-lined SOCOM heavy barrel on the line. The extra mass soaks the string so the group does not walk.

Quad Rail: A Knight's Armament M4 RAS gives you a four-sided rail. Lights, grips, and lasers stay locked while you move.

Top Rail: A continuous MIL-STD-1913 rail takes the optic. You mount glass once and keep the same picture.

Direct Impingement: Carbine-length direct impingement runs the carrier. The cycle is the one this platform was built around.

Backup Sight: A Matech folding back-up iron sight is on the upper. If the optic dies, you still have a sight.

Fit it to a Mil-Spec AR-15 or M4 lower and put the heavy barrel to work.