Acculite 20" CZ 455/457 Match Barrel 920 1/2-28 22LR 1:16 w/ Protector 20TCZNF-BM
Gun Barrel Stock: 6061 high-quality aircraft aluminum
Barrel Length: 20" 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 Match Chamber - can use standard or match grade ammunition. Hyper-velocity ammo, such as CCI Stingers are not recommended.
Liner: 4140 Steel - Button rifled
Rate of Twist: 1:16 - 22LR ( Sub Sonic 1:9 Twist may be special ordered)
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