Airsoft Rifle TSD UHC Super X9 Double Bolt Spring Bbs 6mm

Dual Bolt: Contains gas and spring bolt
Black synthetic stock
29-gauge box magazine
480 FPS with gas bolt, 400 FPS with spring (0.2g BB)
Easy-to-change bolt design
Adjustable hop-up
Integrated sling swivel
Weaver/Picatinny optics rail
Weaver accessory rail
Includes: Spring and gas bolt, bipod, speedloader, and 25g BB sample