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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Which Action for a Custom .338 Lapua AI?
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<blockquote data-quote="bigngreen" data-source="post: 1322215" data-attributes="member: 13632"><p>It's well known if your going to push the 378 in the Mark V you better keep extra extractors because your going to be using a lot of primary extraction to pull cases. Dan Lilja sites the marginal size of the barrel shank and also points out no one builds a custom action for this case head size with 1.062 threads because it's marginal. </p><p>Don't get me wrong I love building a Lapua on a Weatherby but the fact is the tenon is on the small side, even Savage uses a larger tenon because of the chamber swell and extraction issue. That said I'm going to build myself another Lapua and I'll probably pick up a GunBroker gun for 600-800 and it'll be sweet, love everything else about it other than the tenon size.</p></blockquote><p></p>
[QUOTE="bigngreen, post: 1322215, member: 13632"] It's well known if your going to push the 378 in the Mark V you better keep extra extractors because your going to be using a lot of primary extraction to pull cases. Dan Lilja sites the marginal size of the barrel shank and also points out no one builds a custom action for this case head size with 1.062 threads because it's marginal. Don't get me wrong I love building a Lapua on a Weatherby but the fact is the tenon is on the small side, even Savage uses a larger tenon because of the chamber swell and extraction issue. That said I'm going to build myself another Lapua and I'll probably pick up a GunBroker gun for 600-800 and it'll be sweet, love everything else about it other than the tenon size. [/QUOTE]
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Which Action for a Custom .338 Lapua AI?
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