EMG Helios Knights Armament Corporation Delta PDW Sportsline Airsoft AEG Rifle w/ MOSFET - Picatinny - 350 fps Paintball Goggles It has thumb screw adjustment

It has thumb screw adjustment with a milled adjustment knob for better grip

but in our opinion it makes a very BIG difference

- Barrel Length: 16 inches / 41 cm

Battery count: 2-3 cells

Rubber Hinge - Springless design with recessed rubber hinges that feed fast and flex back into place

EMG Helios Knights Armament Corporation Delta PDW Sportsline Airsoft AEG Rifle w/ MOSFET - Picatinny - 350 fps Paintball Goggles It has thumb screw adjustmentFeatures Fully licensed Knight's Armament PDW replica w engraved trademarks Lightweight polymer receiver construction Integrated MOSFET for improved power usage, motor performance, and trigger response Flat top receiver allows mounting of optics or other accessories Side folding skeletonized metal stock w rear mounted QD sling point Monolithic upper receiver w 1913 Picatinny rails at 12, 3, 6, and 9 o'clock Metal 300rd hi cap magazine Ambidextrous