This automatic shell catcher is designed specifically for 12 and 20 gauge semi-automatic shotguns with right-hand ejection featuring durable steel construction in a silver finish.Auto Shell Catcher for 12 & 20 GA Semi-Auto ShotgunsRight-hand ejection configurationDurable steel construction with silver finishBrass catcher style design for reliable shell collectionEasy attachment to compatible semi-automatic shotgunsPerfect for trap shooting sporting clays or hunting where shell recovery is important. Keeps your shooting area clean and allows you to collect spent shells for reloading or disposal.