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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
270 WSM Question
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<blockquote data-quote="Centre Punch" data-source="post: 86350" data-attributes="member: 3048"><p>Hi shadowman,</p><p>Let me re-phrase limited, Lets take for example 300WSM and i think it will also apply to long for calibre 270 and 7mm bullets. </p><p>If you are prepared to sacrifice powder space in order to deep seat 200grn+ bullets then okay, It is recommended that bullets up to 180grn are used in order to utilise the full powder capacity of the case without having to resort to deep seating the bullet, in order to aid cycling from the mag box.</p><p></p><p>If you are prepared to use your rifle single shot then you can seat your heavy bullets as far out as your throat will allow.</p><p>The use of a long action with a magnum boltface will allow you, with modifications to the feed rails and the mag box, to use 240 SMKs (with the correct twist)in repeater mode.</p><p></p><p>Another alternative is to use an UltraMag action, as the RUM is almost the same diameter as the WSM except about 3/4" longer. A mag box filler block modification would aid in proper feeding from the mag.</p><p>The other advantage of this route is that if you feel the</p><p>need for more power you have a ready platform to upgrade to a longer cartridge.</p><p></p><p>Ian.</p><p></p><p>"I meant to shoot the pike but the duck got in the way"</p></blockquote><p></p>
[QUOTE="Centre Punch, post: 86350, member: 3048"] Hi shadowman, Let me re-phrase limited, Lets take for example 300WSM and i think it will also apply to long for calibre 270 and 7mm bullets. If you are prepared to sacrifice powder space in order to deep seat 200grn+ bullets then okay, It is recommended that bullets up to 180grn are used in order to utilise the full powder capacity of the case without having to resort to deep seating the bullet, in order to aid cycling from the mag box. If you are prepared to use your rifle single shot then you can seat your heavy bullets as far out as your throat will allow. The use of a long action with a magnum boltface will allow you, with modifications to the feed rails and the mag box, to use 240 SMKs (with the correct twist)in repeater mode. Another alternative is to use an UltraMag action, as the RUM is almost the same diameter as the WSM except about 3/4" longer. A mag box filler block modification would aid in proper feeding from the mag. The other advantage of this route is that if you feel the need for more power you have a ready platform to upgrade to a longer cartridge. Ian. "I meant to shoot the pike but the duck got in the way" [/QUOTE]
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270 WSM Question
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