M-4 Barreled Upper

M-4 Style Barreled upper.
A R 15 with 4140 chrome-moly steel barrel, also available in chrome lined. The 5.56mm 16" M-4 barrel is mounted on aircraft quality aluminum upper. Barrels are plated evenly with tough parkerized finish. Comes fully assembled (minus bolt/carrier and charging handle) with forward assist, ejection port cover assembly, gas tube assembly and heat shielded M-4 oval shaped hand guards.
Post and Pre-ban M-4 style Uppers

AR 15 barrel made from 4140 chrome-moly steel, 16” M-4 barrel is mounted on aircraftquality aluminum upper. Barrels are plated evenly with tough parkerized finish. Comes fully assembled (minus bolt/carrier and charging handle) with forward assist, ejection port cover assembly, gas tube assembly and heat shielded hand guards.  Now available in 1x9 or 1x7 twist rate.

This AR-15 barreled upper is headspaced, and ready to mount to your lower receiver after installing the bolt carrier group, see options.  Once you have an assembled lower with the parts installed and mount the upper,  this is an operational firearm 5.56mm.

AR 15 ARM-4 barreled upper.