Constructed of high-impact polymer and TPE rubber that is lighter and more durable than conventional rubber. MCK Gen 2 can fire in the folded and locked position. Compatible with Gen 1 & Gen 2 MCKs and is intended to be secured to your arm with the Velcro strap. Exclusively licensed to CAA USA by SB Tactical, patent owner, the MCK is the only handgun conversion kit authorized to use
this brace. Non NFA item. Stabilizer was designed to be an arm stabilizing brace that attaches to your arm.