M-4 Barreled Upper 4150 Chrome Vandium steel

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  • Description

M-4 barrel made from 4150 Chrome Vanadium steel with a 1x7 twist chrome lined barrel and M-4 feed ramps.

This 16" M-4 style barreled upper starts with 4150 chrome vandium steel barrel and is mounted on aircraft quality aluminum upper.  Barrels are plated evenly with tough parkerized finish. Comes fully assembled (minus bolt/carrier and charging handle, optional upgrade) with forward assist, ejection port cover assembly, gas tube assembly and heat shielded hand guards.