BT78: SIG SAUER® CROSS™ Buttstock Rail Kit is a 2.05″ 1913 Picatinny Rail that installs directly onto the folding buttstock of the SIG SAUER® CROSS™ rifle to allow for mounting our Accu-Shot Precision Rail Monopods (BT12-QK, BT13-QK and BT31-QK).

Installation requires two factory 10-24 threaded holes spaced approximately 1.57″ apart as found on our sample SIG SAUER® CROSS™. No modification is required. Comes with two 10-24 x 3/4″ flat socket cap screws as seen. Use of a thread locker upon installation is suggested.

Machined to Picatinny rail standards from 6061-T6 aluminum with Mil-Spec Type III Class 2 finish. Available in black only.

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