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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338-416 Rigby?
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<blockquote data-quote="Fiftydriver" data-source="post: 254290" data-attributes="member: 10"><p>Grit,</p><p> </p><p>The Allen Xpress(AX) is a 338 Lapua that has been improved with sharper shoulder angle and less body taper. Not quite as sharp as the AI version but same performance. The idea is better feeding characteristics with same performance.</p><p> </p><p>You are thinking of the 338 Ultra Maxx which was designed by the request of one of my good friends and customer who frequents LRH under the call sign of JOECOOL.</p><p> </p><p>Its a 270 Allen Magnum necked up to 338 basically. Because the shoulder location is moved forward compared to a 338-300 RUM, its easiest to get 375 RUM brass and neck it down for fireforming as you can position the shoulder properly to hold the case solidly against the bolt face when fireforming.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 254290, member: 10"] Grit, The Allen Xpress(AX) is a 338 Lapua that has been improved with sharper shoulder angle and less body taper. Not quite as sharp as the AI version but same performance. The idea is better feeding characteristics with same performance. You are thinking of the 338 Ultra Maxx which was designed by the request of one of my good friends and customer who frequents LRH under the call sign of JOECOOL. Its a 270 Allen Magnum necked up to 338 basically. Because the shoulder location is moved forward compared to a 338-300 RUM, its easiest to get 375 RUM brass and neck it down for fireforming as you can position the shoulder properly to hold the case solidly against the bolt face when fireforming. [/QUOTE]
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338-416 Rigby?
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