The PMAG 17 GL9 is a 17-round magazine featuring durable polymer construction, paint pen dot-matrix for labeling, tool-less floor plate removal for ease of maintenance, and a visible capacity indicator hole on the body. The PMAG 17 GL9 is compatible with all full-size 9mm Glock handguns, as well as compact and sub-compact variants with some protrusion below the grip. Drop-in replacement for factory slide release lever has a much larger finger pad and a trapezoid-shaped bump that help ensure you release the slide fast, on the first try, after a reload. Saves precious seconds that can be lost making multiple swipes to release the slide and chamber the next round. Low profile and smooth Mfg: Brownells SPECS: Magazine Fits - Glock full-size 9mm handguns, as well as compact and sub-compact variants. Capacity - 17 rounds. Construction - Polymer. Slide Stop: Steel, matte black finish. 3-Pin fits all guns with separate trigger, locking block, and trigger housing pins, including ea