COLT - M4 5.56 UPPER RECEIVER GROUPS

Add the Colt legend of reliability to your rifle or build with these complete feature 1/7 RH twist in a chrome lined, button rifled barrel.  Available with or without a charging handle, bolt carrier group, and back up sights. All NFA rules apply.

NOTE: “Stripped” does NOT include bolt carrier group (BCG), charging handle, or rear backup sight


Item Details
Cartridge: 5.56 mm NATO
Contour: Carbine
Finish: Black
Length: 14.5"
Muzzle: 1/2-28
Style: Complete
Twist: 1-7

Made in the USA