TAC STAR(TM) MONOPOD for RUGER 10/22 ADAPTIVE TACTICAL STOCKa Designed to fit seamlessly w/the Adaptive Tactical RM4 Stock a Springloaded monopod extends with the press of a button giving shooters a built-in support that extends up to 3 (extends in 3/8 increments) a Provides a quick stable single point rest on any surface & ensures tripodlike stability when used with a front rail-mounted bipod or front rest