Need to load lots of 9mm into your extra long Glock magazine? find it hard to do? Almost broken your thumb do it? Give the Lever Loader a try. Easy to learn how insert the magazine into the loader it clips in and releases the same way as it does in a Glock. Next drop a round into the hole (case first), using a scissors motion will load the round into the magazine. Just repeat until your mags are full. The lever loader gives you the mechanical advantage you're looking for. GLOCK MAGAZINE LOADER Attention: ONLY COMPATIBLE WITH GLOCK AND MAGPUL MAGAZINES NOT FOR AFTERMARKET METAL MAGAZINES OF ANY KIND