Standard Mass 5.56 x 45(223) M16 BCG Complete w/ Adjustable Gas Key


4 in stock (can be backordered)

SKU: 100-AGK Category: Tag:


RCA patented gas system allows you to adjust gas key to the bolt to
soften high pressure gas systems. Instructions Included
Carrier materail 8620
Bolt Construction 9310
Tool steel extractor and cam pin