CMMG 16.1" Medium Taper AR-15 Barrel 5.56mm 55D590A

CMMG, Inc.
815835016160
55D590A
ARR-118-072
$159.97
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Perfect for building your custom AR-15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.

Features and Specifications:
Manufacturer Number: 55D590A
16.1"
Medium Taper Profile
416 Stainless Steel
Bead Blasted Finish
1:7 Twist
5.5645 NATO Chamber
Threaded 1/2-28
Midlength gas port
.750" Gas Journal 

Item#: ARR-118-072