Description
KAK INDUSTRY CARBINE TUBE KIT (RECIEVER EXTENSION). INCLUDED IS THE CARBINE BUFFER TUBE, STANDARD CARBINE SPRING, STANDARD CARBINE BUFFER, CASTLE NUT, AND STANDARD END PLATE.. THIS TUBE IS MIL-SPEC SIZE. THIS IS A 6 POSITION MIL-SPEC TUBE. THIS IS A CHROME SILICON SPRING.
