CMMG 55CA9CB Receiver Extension Castle Nut Black Matte MK4

High quality components and precise manufacturing make CMMG parts ideal for maintaining and upgrading firearms. The durability" reliability and excellent build quality of these parts will ensure years of service you can count on.

Precise Manufacturing

Long Term Reliability

Durable Construction

Finish:	Matte
Manufacturer:	CMMG
Manufacturer part #:	55CA9CB
Type:	Part
Sub Category:	Long Gun Parts
Color:	Black