Don't load less ammo, load more with the TANDEMKROSS Plus1 magazine bumpers! These finely made magazine bumpers are designed to enable your factory 10-round magazines to load one extra round saving you time at the range and giving you that extra edge while trying to one up your buddies. Simple installation, only takes minutes to do.
These two-packs of magazine base pads work on the Mark II™, Mark III™ and Mark IV™ magazines.