Hopup-Lab

AR-15 airsoft build planner & configurator

Start from the M4A1, HK416, Mk18, M16 or SR-25K and swap handguards, stocks, grips and muzzle devices at true scale, then add optics and accessories.

A finished AR-15 airsoft build at true scale

Start an AR-15 build

Other weapons

Assault rifle

SMG

DMR

LMG

Pistol

Your builds