Durable polymer receiver Ambidextrous mag release, selector switch, sling points and charging handle Fixed aluminum carrying handle with Picatinny rail segement for mounting optics, iron sights, lights, lasers, and other accessories M-LOK mounting surfaces on the 3 and 9 o'clock positions Easily accessible gas valve located at the bottom of the stock can be swapped out to an HPA system A single magazine fill can fire a minimum of 70 rounds Single barrel shotgun design with 5 or 10 shot options Magazine Capacity: 105 Round Mid-Cap GOM V2 Magazine Gas Type: Green Gas (internal gas reservoir located in the stock) Fire Modes: Semi-Auto Hopup: Yes, Fixed Package Includes: Gun, Magazine, Manual Must be 18+ to purchase https://www.18plus.ca/products/g-g-esg-b-10-shotgun?_pos=1&_psq=b-10&_ss=e&_v=1.0