Helios Daniel Defense Licensed MK18 Airsoft AEG Rifle Edge Series / Black & Bronze advanced and to prevent damage to

and to prevent damage to electronic switches on controller boards

as well as durability

Nine Ball Heat Gradation screw set

FPS Range: 300-325

Helios Daniel Defense Licensed MK18 Airsoft AEG Rifle Edge Series / Black & Bronze advanced and to prevent damage toFeatures Aluminum alloy upper and lower receiver with deep laser engraved Daniel Defense trademarks Scratch and weather resistant nano coating Nylon fiber furniture GATE X ASR Mosfet ESA quick spring change system allows the spring to be changed without the need to disassemble your gun Rotary type hopup with 6. 03mm tight bore barrel 380 fps spring pre installed from factory, optional 310 fps (M90) spring included to reduce muzzle velocity New Orion