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Rifles, Reloading, Optics, Equipment
Gunsmithing
Rechambering 7mm Rem Mag
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<blockquote data-quote="Clyde M" data-source="post: 2166249" data-attributes="member: 111765"><p>I rechambered a Weatherby MKV ultralight from 7MM Wby to a 7-300 Weatherby, I had a chamber reamer made to my dimensions around a 150 TTSX. I tried all the conventional powders, all showed signs of pressure and not much above 3200 to 3300 FPS, tried Magnum, 84 grains yielded 3390 FPS no signs of pressure, never pushed it to the max. I shot an Elk with this combination the bullet left a 3" exit wound, Elk went less than 50 yards, off hand shot at about 130 yards. I feel the twin to this cartridge is the 7MM STW but if you want to be different in hunt camp you won't find another 7-300 WBY.</p></blockquote><p></p>
[QUOTE="Clyde M, post: 2166249, member: 111765"] I rechambered a Weatherby MKV ultralight from 7MM Wby to a 7-300 Weatherby, I had a chamber reamer made to my dimensions around a 150 TTSX. I tried all the conventional powders, all showed signs of pressure and not much above 3200 to 3300 FPS, tried Magnum, 84 grains yielded 3390 FPS no signs of pressure, never pushed it to the max. I shot an Elk with this combination the bullet left a 3" exit wound, Elk went less than 50 yards, off hand shot at about 130 yards. I feel the twin to this cartridge is the 7MM STW but if you want to be different in hunt camp you won't find another 7-300 WBY. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Rechambering 7mm Rem Mag
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