21 shot round ball and 20 shot shaped round continuous feed; Supports 68cal round ball and First Strike Rounds/shaped rounds; Durable GRN construction; Smoked transparent side panel; Toolless side panel for easy loading and cleaning; Fully sealed design to keep out dirt and debris; Roller Shutter door; Breech blocking shaped follower for No Dry Fired shots!; Dye DAM mag coupler compatible for even greater shot capacity; Integrated Capacity Indicators