Cmmg Receiver Extension and Stock Kit A1 MK3 .308
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Receiver Extension and Stock Kit A1 Mk3
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Description
Description
Combine this kit with your choice of lower parts kit to complete your lower group.
- CMMG A1 Receiver Extension
- .308 Rifle Buffer Assembly
- .308 Rifle Action Spring
- A1 Rifle length Butt stock Assembly
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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