Helios Daniel Defense-Licensed Mk18 Mod 1 Sportline Airsoft AEG Rifle w/ G3 Gearbox by S&T (Color: Black 400 FPS) Sentinel Gears a one-piece metal hop up

a one-piece metal hop up featuring a locking wheel and a tight-bore barrel ensure that you can propel your choice in BBs out to a significant distance that rivals the more expensive competition

More room to facilitate a bigger battery

designed for tactical application

Speed Trigger Red adjustable trigger

Muzzle Velocity: 400~450 FPS

Helios Daniel Defense-Licensed Mk18 Mod 1 Sportline Airsoft AEG Rifle w/ G3 Gearbox by S&T (Color: Black 400 FPS) Sentinel Gears a one-piece metal hop upFeatures High strength nylon fiber reinforced polymer receiver, stock, buffer tube, grip, and carrying handle S&T Gen 3 LiPo ready gearbox with micro switch trigger and quick change spring guide Integrated MOSFET for improved power usage, motor performance, and trigger response Monolithic top rail for attaching optics and other accessories 1913 Picatinny 20mm RIS quad rail handguard provides a sturdy mounting point for lights, lasers, optics, grips,