The SME Ammo Pal 12 Gauge Shotshell Holder features patent pending retention fingers which keep your shells secure (even upside-down) and flex to release a shell when you need one. The Ammo Pal has an exclusive, adjustable mounting system which features two sets of dual mounting clips (1 long; 1 short) and can be used together or independently. The clips are removable and can be adjusted into over a dozen configurations to mount almost anywhere. FeaturesFits up to 3" shellsMade of high-impact Geon PVCUV resistant, oil-resistant, flame-resistant Ambidextrous design allows for right-handed operationLarge thumb sweep area accommodates gloved operationDurable spring made of the same material used in USGI rifle magazinesRemovable base plate with drain slot allows easy access to spring and follower for cleaning/maintenance