Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. - 18 - Medium Taper Profile - 416 Stainless Steel - Bead Blasted Finish - 1:7 Twist - 5.56
Manufacturer | Cmmg |
UPC | 815835016184 |
SKU | 55D660A |
Width | 1.8000 |
Length | 21.1500 |
Height | 1.7500 |
Weight | 3.4300 |
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