Tippmann Arms Airsoft Gun M4 Gas Blow Back 6mm Semi Full Auto Made in America NEW Airsoft Facewear & Headwear Increased Efficiency the combination of 320 56 0159 Increased Efficiency the combination of the Even Flow face and TechT's unique o ring configuration allows the Hush Bolt to seal the routing of air directly through the face The fastest reload with a low chance of paint coming out Multiple Gas Input – CO2 Cartridges or Remote Line Adapter Gas Blow Back Realistic Recoil Kick Full Metal (Aluminum) Receiver 20 g BB) Adjustable Hop up Bucking No Batteries Firing Modes: Safe Semi Full Auto Adjustable Front and Rear Flip Up Sights Front and Rear Sling Mounts Anti Jam Technology Low Maintenance – No Gear Box Easy Disassembly Tool Less Mag Disassembly Full Length Top Pic Rail Modular Foregrip – 8 sided picatinny capable With Additional Rails included Glass Filled Nylon grip Optics Ready with Flip Up Sights Adjustable 5 Position Stock Accepts many real AR stocks and handguards Works with many AEG mags when remote line system is used Remote line adapter included Accepts industry standard AEG inner barrel Threaded Flash Suppressor (M14x1