Designed by PDI Engineering in Japan. -Full metal aluminum alloy barrel, trigger, and bolt assembly. -New PDI type spring powered sniper rifle system (Compatible with Angel Custom VSR-10 springs and spring guides). -Smooth action. -PDI type steel trigger sear pre-installed. - 400 fps (stock spring), **usage** I only used this gun for target practice, this gun is pretty much new. The reason I am selling it is because I play mainly on indoor fields (close range) **PRICE** I am willing to talk about the price but somewhere around $250 Price is now $150