Henning Group Blueline Magazine Extension and Spring for Glock 17/34 - 9mm
Magazine extension for Glock 17/34 increases capacity to 21 + 1. Comes with extra power magazine spring.
Glock 17, 17L, 34 - 9mm Standard Length Mags
Designed in collaboration with a current SWAT Operator and US Army Veteran, our Magazine Extensions offer:
Confident magazine indexing through our patent pending design.
Improved grip support for shooters with larger hands.
Basepad allows for an effortless strip with the knife-edge of the support hand on malfunctions or stuck magazines.
Designed by a door-kicker, for door-kickers.
The kit comes with magazine extension and a longer magazine spring.
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