Specifications and Features: Caliber: .300 Winchester Magnum. Overall Length: 50.8 . Barrel: 26 . Action: Bolt . Length of Pull: 14.5 . Trigger: Single Set . Twist: 1:10 . Weight: 13 lbs Empty. The CZ 550 Magnum H.E.T Bolt Action Rifle is an outstanding choice for duty competition and hunting applications. This is a feature rich platform offering shooters the very best rifle for putting rounds where you need them when you need them. The CZ 550 Magnum H.E.T comes with a hammer forged barrel Mauser style claw extractor and the Bell & Carlson tactical Kevlar Reinforced Stock for excellence in performance and accuracy.