The bore axis of a firearm is the longitudinal axis through the geometric center of the gun barrel. In a rifled barrel, the projectile will spin around the bore axis as it goes through the barrel.
The AR-15 is an example of a weapon system where the sights are high over the bore.
Browning BAR is an example of a weapon system where the sights sit low and close to the bore.
The Chiappa Rhino is an example of a pistol with a low bore axis.
The SIG Sauer P226 is an example of a pistol with a high bore axis.
The CZ 75 is a semi-automatic pistol made by Czech firearm manufacturer ČZUB. First introduced in 1975, it is one of the original "wonder nines" and features a staggered-column magazine, all-steel con
Bore axis
…frame) yields greater reductions in felt recoil and muzzle flip than any difference in bore axis height can typically achieve. Handguns such as the CZ-75, which combine a heavy steel frame with a low bore axis (relative to other hammer-fired guns) achieve twofold reductions to felt recoil and muzzle flip…
CZ 75 pre-B made in the 80s, with extended rail
CZ 75 SP-01 Shadow stainless Canadian Edition