TD90405 Electronic Airsoft gun Overall Length: 800mm (When stock is extended) Weight: 1017g Magazine capacity: 20 rounds Bullet: 6mm BB bullets Package: 8pcs in a outer carton Cbm: 0. 10176m3(60*32*53cm) G. W.: 16.5kgs N. W.: 14.5kgs We produce different kinds of guns, some with metal gear box. Pls e-mail for more details.