11% off
Specifications
- Brand
- CMMG
- Weight
- 1.69 lbs
- UPC
- 816422027477
- SKU
- RSR-CMMG35D5F0A
Details
Product details
Perfect for building your custom Mk4 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced. Made of 4140CM with a SBN Finish.
- 1:16 Twist 4140 Chrome moly.
- 1/2X28 thread pitch.
- Medium taper profile.
- Carbine length gas port .750" gas block Journal.
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