Feinwerkbau (FWB) 900 ALU Air Rifle .177 caliber Single-shot Precharged pneumatic Regulated Available in medium right-hand or left-hand grip Anodized aluminum stock Available in a variety of colors 200 BAR (2,900 PSI) fill pressure Upgraded trigger unit Multi-adjustable two-stage trigger Trigger weight: 30g-160g (1st Stage), 80g-250g (2nd Stage) Removable air cylinder with integral manometer (pressure gauge) Improved adjustable inner absorber unit eliminates shooting impulse Optimized bedding with double barrel clamping Larger loading port Updated multi-adjustable 3D grip Multi-adjustable hand rest Dry-fire capable Multi-adjustable cheek piece Multi-adjustable butt plate Adjustable buttstock Vario sight with fast-detach reversible rail Globe front sight with aperture inserts Micrometer-adjustable rear diopter sight (20 click) Velocity: 557.74 FPS (170 m/s) to 574.14 FPS (175 m/s) Barrel length: 16.73" (425mm) Overall length: 41.02"-43.58" (1042mm-1107mm) Length of Pull: 10.82" - 14.17" (275mm-360mm) Weight: approx. 9.92 lbs. (4.5kg)