CMMG Inc. MK4 Fixed Complete Multiple Caliber Lower Receiver - Blue/Black
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Specifications and Features:
CMMG MK4 Complete Lower Receiver Assembly 55CA31A
Standard pattern AR-15 lower
Mil-Spec
Forged 7075-T6 Aluminum
Type III Hard coat anodized
Single Stage Mil-Spec Trigger
A2 Pistol Grip
Standard Ar-15 Safety Selector
A1-Length Fixed Butt Stock
Standard Rifle Spring
Standard Rifle Buffer
Standard Takedown/pivot pin holes
.155" hammer/trigger pin holes
Matte Black
CMMG MK4 Complete Lower Receiver Assembly 55CA31A
Standard pattern AR-15 lower
Mil-Spec
Forged 7075-T6 Aluminum
Type III Hard coat anodized
Single Stage Mil-Spec Trigger
A2 Pistol Grip
Standard Ar-15 Safety Selector
A1-Length Fixed Butt Stock
Standard Rifle Spring
Standard Rifle Buffer
Standard Takedown/pivot pin holes
.155" hammer/trigger pin holes
Matte Black