CZ 455/457 WMR (magnum) WF (w/flutes), TH (.500 x 28 TPI threaded muzzle-end w/protective cap) Solid anodize .920 Barrel.

Gun Barrel Stock: 6061 high-quality aircraft aluminum

Barrel Length: 22" CZ barrels with threaded muzzle ends. Rifle liner runs the full length in barrels.

Standard Features: Barrel without flutes. Muzzle end 1/2" x 28 TPI threads with threaded protective cap.

Diameter: .920 Bull Barrel Style

Shank Size: .001 Oversized (may require minor hand fitting)

Chamber: .22 LR Bentz Chamber - can use standard or match grade ammunition. Hyper-velocity ammo, such as CCI Stingers are not recommended.

Liner: 4140 Steel - Button rifled

.050 Thickness on LR & WMR (Magnum) liner, 6 groove

Rate of Twist: 1:16 - 22LR and WMR

1:9 - 22LR Sub-Sonic (40, 50, 60 grain ammo / accuracy range 25-50 yds.)

Caliber: .22 WMR Magnum

Weight: Approximately 1 oz. per inch per length of the barrel

Anodizing: This is an electrochemical process that chemically infuses the color into the aluminum and will not chip, peel or scratch.