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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
M70 .300 Wby Mag throws bullets
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<blockquote data-quote="winmag" data-source="post: 768201" data-attributes="member: 22166"><p>Barrel fouling.</p><p></p><p>Possibly copper fouls quickly, or he's dumping so much powder that it shoots "dirty"</p><p></p><p>My Model-70 300wby (factory win) 24" pipe liked IMR 4831, but it fouled quicker with IMR stick powder vs Winchester 780 Supreme ball powder.</p><p>Apples to Oranges tho. Mine was a short factory pipe. His is a longer custom pipe.</p><p>Most custom pipes are not prone to fouling as quick as "rough" factory pipes.</p><p></p><p>Possibly the throat may be shot out, & he could have it set back 1/2 inch or so.</p><p>I'd have a competent smith scope the bore.</p></blockquote><p></p>
[QUOTE="winmag, post: 768201, member: 22166"] Barrel fouling. Possibly copper fouls quickly, or he's dumping so much powder that it shoots "dirty" My Model-70 300wby (factory win) 24" pipe liked IMR 4831, but it fouled quicker with IMR stick powder vs Winchester 780 Supreme ball powder. Apples to Oranges tho. Mine was a short factory pipe. His is a longer custom pipe. Most custom pipes are not prone to fouling as quick as "rough" factory pipes. Possibly the throat may be shot out, & he could have it set back 1/2 inch or so. I'd have a competent smith scope the bore. [/QUOTE]
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M70 .300 Wby Mag throws bullets
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