These Extended Magazine Bumpers for Mark IV™ pistols offer an oversized, textured grip that allows shooters to quickly and easily seat the magazine into mag well. This capability is particularly important during timed shooting competitions. Should the magazine stick for any reason, the lateral grip pulls on the extended base pad provide a convenient for faster magazine changes. Made from Zytel® for strength and durability, these bumpers attach to the bottom of the factory magazine in minutes without glue or gunsmithing. Ideal for competitive shooters or any shooter looking to simplify the magazine insertion process. Bumpers fit Mark IV™ Target, Hunter and Competition models only. Includes two bumpers per package. Made in the USA. Lifetime guarantee from TANDEMKROSS.