Cmmg 55D590A Barrel Sub-assembly 5.56MM 16.1IN Stainless Steel
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CMMG 55D590A Barrel Sub-Assembly 5.56x45mm NATO 16.10″ Stainless Bead Blasted Finish 416R Stainless Steel Material Midlength with Medium Taper Profile for AR-15
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Description
Description
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.
- 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
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling
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