- In firearms,
freebore (also free-bore, free bore, or throat) is the
portion of the gun
barrel between the
chamber and the
rifled section of the barrel...
- larger-diameter "
freebore" in the 5.56
chamber (0.0566 in (1.44 mm) vs 0.0250 in (0.64 mm) length, 0.2265 in (5.75 mm) vs 0.2240 in (5.69 mm) diameter).
Freebore is...
-
unrifled section is
called a
freebore, and is
usually cylindrical. The
portion of the
unrifled bore
immediately front of the
freebore,
called the leade, starts...
- In part due to its
excessive freebore lengths the
claimed velocities by
Weatherby is a
resultant factor of this
freebore length. If
chambered to allow...
- when the
rifle is fired.
Freebore is a groove-diameter
length of
smoothbore barrel without lands forward of the throat.
Freebore allows the
bullet to transition...
-
angle as
found in the
military 5.56×45mm NATO
cartridge and the 0.224 inch
freebore diameter as
found in the
civilian SAAMI .223
Remington cartridge. It was...
- away
metal at the end of the chamber,
freebore,
leade and rifling. Hard chrome-lining
protects the chamber,
freebore,
leade and
rifling with a thin coat...
-
headspace on the
extractor and the
bullet will jump a 0.142
inches (3.6 mm)
freebore just like a .38
Special fired from a .357
Magnum revolver. If the cartridge...
-
cartridges with belts; curved, double-radius shoulders; and
considerable freebore. The .224
Weatherby Magnum,
introduced in 1963, was the
first and, for...
-
length of its shoulder,
producing a
different diametral taper near the
freebore. The main gun for the M60 tank
series was
chosen after a
comparative firing...
