KAK SUPER SIG SB-15 Pistol Buffer Tube

I have been watching KAK with a lot of interest since they came out with their original Sig SB-15 Pistol Brace specific buffer tube, the KAK AR-15 SIG SB-15 Pistol Buffer Tube. One thing kept me from trying that buffer tube and that was its requirement to use a modified end plate. Apparently I am not the only one who felt this way and, obviously, I am going to have build another AR pistol because they have now released the KAK SUPER SIG SB-15 Pistol Buffer Tube which has a more streamlined design than the original, is slightly longer (a good thing for AR pistols), and uses a completely standard castle nut and end plate.

KAK SUPER SIG SB-15 Pistol Buffer Tube

It retains the shoulder feature of the original. This shoulder is machined into the tube and is the key to the KAK SUPER SIG SB-15 Pistol Buffer Tube’s functionality. It serves as a hard stop to prevent the SB-15 from sliding forward. It also serves as a stop for the spacers that KAK is now offering to be used to adjust the length of pull of your SB-15.

If you are building an AR pistol and intend to use an SB-15 Not-A-Stock, check out the KAK SUPER SIG SB-15 Pistol Buffer Tube.

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