Speed M4 SE2 AEG Tunable Trigger - Red Color:Blue Only weight 83g make it

Only weight 83g make it one of the lightest frame on the market

If you're unsure of which case to purchase

The EPF-S Foregrip has a carefully conceived streamlined ergonomic design

but may fit other guns too)

Uses a standard AA battery type

Speed M4 SE2 AEG Tunable Trigger - Red Color:Blue Only weight 83g make itSpeed Airsoft M4 AEG Externally Tunable Trigger SE2 Special Edition Blade next level tunable trigger with no gearbox modification required great for experienced player uses stock gearbox spring one external adjustment and one internal adjustment for gearbox with stock block switch or gearbox that has upgraded MOSFET board with microswitch allowed even greater adjustability over M4 SE with more trigger performance improvement