ID: 86687 (Shell-CAM142) Features High strength polymer casing Brass body Easy to load shells Pack of 4 Compatibility: For APS MKII CAM870 Airsoft Shell Ejecting Gas Shotguns (Not compatible with Gen 1 CAM870)Capacity: Up to 12 BBs per shellManufacturer: APS About APS APS Limited, formerly known as APS Airgun Ltd was established in 2001. APS started by specializing in designing and building Simulation Training Equipment (Real Action Markers & Powder Balls for training simulation). APS - the three words stand for Accuracy - Pneumatics - Shooting. With their knowledge and experience that has been gained from making Real Action Markers and Projectiles, APS launched a new product line - Electronic Blow Back (EBB) products to spur the current Airsoft Market. Since entering the Airsoft industry their line of Airsoft rifles, pistols and accessories have been incredibly popular.