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This barrel adapter was designed for the gunsmith chambering barrels over 1.250" to 2.00" diameter. If your chambering method is to mount the barrel through the spindle bore, and indicate the chamber end at the chuck, and the muzzle out the rear of the spindle with a spider. This is just what your looking for. The BTS mounts on the last 2.0" inches of the muzzle end of the barrel. Also .17 through .50 cal. with no parts interchange. The time to install is about 15 SECONDS! This unit just WORKS! And IT DOESN'T LEAK!


Model BTS 50 BMG

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