Weatherby®

These cartridges feature a double venturi shoulder that makes them different from all other rifle cartridges. We separate them out from the other rifle calibers because they have their own special following. We inventory factory standard and wildcat variations of the Weatherby line.
SAAMI specification Weatherby chambers have a fair amount of freebore, this is the factory standard. If you intend to fire factory ammunition, use the standard chamber reamers.
If you want a shorter than standard throat, the gun should be marked as such and Weatherby factory ammo should never be fired in that gun as pressure problems will result.
Showing all 25 results
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22/240 Weatherby
$8.00Uses 240 Weatherby gauges
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224 Weatherby
$8.00 -
240 Weatherby Magnum
$8.00 -
257 Weatherby Magnum
$8.00 -
270 Weatherby Magnum
$8.00 -
30-6.5 Weatherby RPM
$8.00The 6.5 WBY RPM is based on a lengthened version of the existing 284 Winchester. This is a wildcat 30 caliber based on the RPM case.
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30/378 Weatherby Magnum
$8.00 -
300 Weatherby (short throat)
$8.00belt .531″ | Throat .060″ Free Bore
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300 Weatherby Magnum
$8.00 -
338 Weatherby RPM
$8.00
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338/378 Weatherby Magnum
$8.00 -
338/378 Weatherby Magnum, Zero Freebore
$8.00338/378 Wby. with “0” freebore.
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340 Weatherby Magnum
$8.00 -
375 Weatherby Magnum
$8.00 -
375 Weatherby Magnum – .200″ Freebore
$8.00Shorter than standard freebore.
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378 Weatherby Magnum
$8.00 -
416 Weatherby Short
$8.00 -
460 Weatherby Magnum
$42.00 -
6.5 / 300 Weatherby, Current SAAMI
$8.00Bore Rider Throat
Current SAAMI version
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6.5 Weatherby RPM
$8.00The 6.5 WBY RPM is based on a lengthened version of the existing 284 Winchester. This cartridge has a rebated rim, making it compatible with standard 30-06 bolt faces and reloading equipment. However, the large body diameter, low body taper, and 35-degree shoulder mean that case capacity is greatly increased, leading to higher velocities, roughly 250 to 300 FPS faster than the 6.5/284 Winchester.
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7mm / 300 Weatherby Match
$8.00Neck: .315 | Freebore: .150 | Lead Angle: 1.5º | Pilot: Floating
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7mm Weatherby Magnum
$8.00 -
7mm x 6.5 Weatherby RPM
$8.00The 7mm x 6.5 WBY RPM is based on a lengthened version of the existing 284 Winchester. This cartridge has a rebated rim, making it compatible with standard 30-06 bolt faces and reloading equipment. However, the large body diameter, low body taper, and 35-degree shoulder mean that case capacity is greatly increased, leading to higher velocities, roughly 200 to 300 FPS faster than the 284 Winchester.
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7mm/300 Weatherby
$8.00 -
7mm/378 Weatherby 35º shoulder
$8.00