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Rifles, Reloading, Optics, Equipment
Reloading
Hoover Meplat Timmer and Pointing Die System .338 Lapua
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<blockquote data-quote="Bart B" data-source="post: 798944" data-attributes="member: 5302"><p>Rail guns may well be the best things to do that with. Especially when they're a 3-point suspension design; mechanically the most repeatable for going back into battery. Sierra Bullets uses them tesing their bullets. The best Sierra match bullets, even the 30 caliber ones, put one 10-shot group after another into 1/4 MOA in their indoor 200 yard test range.</p><p></p><p>A complete rifle can be clamped in a machine rest and do just as well. Such rigs have been used since the early 1960's testing match rifles and their ammo for accuracy held the way they nomally are when fired from ones shoulder. This one belongs to David Tubb and was built by his Dad, George Tubb back then. A dozen or so of these have been built. One held a Win. 70 based match rifle in a wood stock shooting those sub 1/4 MOA 600 yard groups I mentioned earlier.</p><p></p><p><img src="http://farm1.staticflickr.com/85/254765260_139624abd8.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://farm1.staticflickr.com/95/254765249_4c32d1a311.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p></p><p>One of his Tubb 2000 rifles is clamped in it; padded jaws around the front tube (or on the fore end of a conventional stock) and bolts with ball tips clamped into steel escutcheons in the side of the butt rod (or butt stock on a conventional rifle). A recoil plate's clamped against the butt pad. The top cradle weighs about 50 pounds and slides back a bit over an inch shooting .308 Win. ammo. Very repeatable; I measured one that repeated the barrel's in battery firing position to less than 1/60th MOA.</p><p></p><p>Then there's the stuff used in "Secrets of the Houston Warehouse.":</p><p></p><p><a href="http://www.angelfire.com/ma3/max357/houston.html" target="_blank">Secrets of the Houston Warehouse</a></p></blockquote><p></p>
[QUOTE="Bart B, post: 798944, member: 5302"] Rail guns may well be the best things to do that with. Especially when they're a 3-point suspension design; mechanically the most repeatable for going back into battery. Sierra Bullets uses them tesing their bullets. The best Sierra match bullets, even the 30 caliber ones, put one 10-shot group after another into 1/4 MOA in their indoor 200 yard test range. A complete rifle can be clamped in a machine rest and do just as well. Such rigs have been used since the early 1960's testing match rifles and their ammo for accuracy held the way they nomally are when fired from ones shoulder. This one belongs to David Tubb and was built by his Dad, George Tubb back then. A dozen or so of these have been built. One held a Win. 70 based match rifle in a wood stock shooting those sub 1/4 MOA 600 yard groups I mentioned earlier. [img]http://farm1.staticflickr.com/85/254765260_139624abd8.jpg[/img][img]http://farm1.staticflickr.com/95/254765249_4c32d1a311.jpg[/img] One of his Tubb 2000 rifles is clamped in it; padded jaws around the front tube (or on the fore end of a conventional stock) and bolts with ball tips clamped into steel escutcheons in the side of the butt rod (or butt stock on a conventional rifle). A recoil plate's clamped against the butt pad. The top cradle weighs about 50 pounds and slides back a bit over an inch shooting .308 Win. ammo. Very repeatable; I measured one that repeated the barrel's in battery firing position to less than 1/60th MOA. Then there's the stuff used in "Secrets of the Houston Warehouse.": [url=http://www.angelfire.com/ma3/max357/houston.html]Secrets of the Houston Warehouse[/url] [/QUOTE]
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Hoover Meplat Timmer and Pointing Die System .338 Lapua
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