Note Designed to work ONLY with KAK SIG tubes, standard and super versions
Used for adjusting the length of the sig brace for proper fit on the forearm. These rings are machined out of 6061 aluminum. The ring spacer system mimics the last three notches on a carbine buffer tube 6 position tubes use .625 spacing. The rings are slid on before the sig brace and trapped against the shoulder. Long armed shooters will enjoy the longer length possible with this kit on their KAK sig tubes.
kit includes .625 spacer ring and 1.250 spacer ring
spacer adjustments .625 longer, 1.250 longer, and 1.875 longer .625+1.25