AirMaks KRAIT X LITE HP 6.35 - .25 CALIBER 700mm Barrel 700CC CARBON FIBER BOTTLEThe AirMaks Arms Krait Lite X in 6. 35mm (. 25 caliber) is the longest variant in the Krait series, specifically designed for long range precision and slug shooting. It features a 700mm shrouded barrel and a high capacity 700cc carbon fiber air bottle. Specifications The Krait Lite X in . 25 caliber includes the following specifications: Caliber: 6. 35 mm (. 25). Barrel Length: 700 mm (shrouded and unchoked). Air Capacity: 700 cc carbon fiber bottle