The Maglula Loader/Unloader is simple to use in either loading or unloading mode. The loader/unloader eliminates thumb pain, wear on feed lips, and prolongs magazine life. It is crafted from durable reinforced polymer, lightweight, and is reliable in all weather. This model is compatible with Ruger 10/22 BX magazines. For over 50 years, no one has invented a jam-free, pocket-size loader for Ruger's factory 10/22 .22LR mags. Following 3 years of refinement, here we introduce a perfect little loader - which actually work. Are simple to use Eliminate thumb pain and injury Eliminate wear on feed lips Prolongs magazine life Are lightweight and will fit in a pocket Are reliable in all weather conditions Are made of durable reinforced polymer The loader fits - Ruger's factory magazines - BX-1, 5, 10 rotary, and BX-15 and BX-25 The loader fits - TandemKross translucent double kross magazine body The loader fits - S&W T/CR22 10 round mag (tighter fit) The loader is more compact, durable, smoothly-operated loader compared with any other 10/22 loader on the market Loader - never jams Loader - will not dent delicate 22LR cases Loader - will not loose the bullet from its crimp Loader - never leaves a trace on the tip of the bullet Loader - painless and quick loading Loader - pocket-size The unloader packed with the loader in a blister The unloader fits and unloads ALL 10/22 type .22LR magazines of all manufacturers includes Ruger factory magazines, T/CR22, Butler Creek, Black Dog, Eagle, ProMag, Shooters Ridge, Tactical Inc