Britannia Rails CZ 455/457 11mm Dovetail Extended Rear Rail brand_-Fischer 5 Creedmoor and topped with

5 Creedmoor and topped with the 129-grain SST bullet

the Razorback is built to a different standard: a RAZOR EVA lateral spine runs the length of the slip

Easy to slip on and off

producing a controlled mushroom as the projectile passes through tissue

repeatable adjustments in any standard 7/8 inch by 14 TPI reloading press

Britannia Rails CZ 455/457 11mm Dovetail Extended Rear Rail brand_-Fischer 5 Creedmoor and topped withBritannia Rails' extended rear length Picatinny rail is built for the CZ 455 and CZ 457, extending backwards from the breech so the mounting position sits further back along the action the eye relief a number of night vision optics need. It's made in true mil spec Picatinny profile from CNC machined 6061 T6 aluminium with a hard anodised black finish, sliding directly over the rifle's factory 11mm dovetail and drawn up tight with the grub screws