Features: Weight: 2 lbs Dimensions: 8.5" Long x 5.25 Tall Power: Green gas, propane, CO2 Barrel Length: 5" Full Metal Aluminum Slide and Frame 310FPS Magazine: 25+1 Hopup: Yes Railed Frame Standard Military Type Grip. Ambidextrous on frame safety. Built in front & rear sight Reinforced metal steel parts Built in lanyard adapter Package Includes: Gun, 25rds Green Gas Mag, 50x0.20g BB, Manual Disclaimer: HSA DOES NOT Recommend the use of Co2 with ANY Airsoft Gun Regardless of Manufactures Recommendation. HSA will not be Responsible for Premature Breakage, bodily injuries or any other damaged cause by the use of Co2. Customers using Co2 assumes all risks and responsibility having to do with the operation of the gun under these conditions.