Partnership between CYMA CGS x Strike Industries, with EMG Licensing Full GBBR featuring Strike Industries Unique Furniture, Licensing and Markings Short Barreled Rifle 10-inch Length Rifle Uses CYMA CGS System Internals Licensed Magazine by Lancer Systems Partial Parts Cross Compatibility with Tokyo Marui MWS Series Adjustable Trigger Pull M-LOK Rail Interface w/ Partial Picatinny Rail Aluminum Housing with Steel Internals Aluminum SI Oppressor, Forward Assist, Outer Barrel, 10-inch Strike Rail, Alloy Upper & Lower Receiver Steel Bolt Carrier, Fire Control, Hammer, Sear, Bolt Catch, Castle Nut, Take Down Pin, Trigger Pin Black Finish This product is only compatible with gas designed specifically for Airsoft guns. Do not use lighter fluid or butane gas, as that will cause permanent damage.