Diana 34 EMS Break Barrel Rifle with Beech Stock Single-shot Spring-piston power plant, convertible to N-TEC gas piston Breakbarrel action Beech stock 11mm dovetail optics mount Fiber optic front sight Micrometer adjustable rear sight Two-stage adjustable T06 trigger Max. velocity with Alloy: 1050 FPS (.177), 950 FPS (.22) Max. velocity with Lead: 900 FPS (.177), 800 FPS (.22) Removable 1/2" UNF threaded barrel Changeable front and rear sights Adjustable barrel alignment Overall length: 45.5" Weight: 7.4 lbs.