KRISS Vector Gen 2 +17 Round Magazine Extension Kit for Glock 21 Pistol Magazines

Constructed of a durable, yet lightweight polymer composite for lasting performance, the KRISSA(R) Vector Gen 2 +17 Round Magazine Extension Kit for GlockA(R) 21 Pistol Magazines is an easy-to-install extension kit, engineered to maximize your firepower potential in tactical and home defense environments. This kit features an extended baseplate, outer sleeve, and extended spring, designed to maximize your overall firepower with reduced reloads. Better yet, this extension kit offers quick, tool-free installation for reliable, field-ready performance right out of the box. Compatible with factory Glock magazines only (not included).