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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
mausers?
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<blockquote data-quote="AZShooter" data-source="post: 527202" data-attributes="member: 5219"><p>I was given a 375 H and H Mark X a couple of years ago. After shooting it for a while it became a "donor" for a LR build. Joel Russo was willing to make me a laminate even though he didn't have it programmed into his CNC mill. Stuck a 1 in 7 twist 30" #7 SS barrel on it. My gunsmith worked the existing trigger to 1 lb. Near Mfg. sold me a picatinny rail. It was chambered in 7 rem mag and shot 180 Berger VLDs. It was extremely accurate and killed a coues wt at 460 very handily. </p><p></p><p>Eventually the fast twist and the three groove barrel combination doomed this barrel. It caused the VLDs to unravel in flight. Even the heavy target versions were not immune. </p><p></p><p>Last winter I had Dan Pederson in Prescott rebore the barrel to .338. I had him use my 338 RCM reamer and gave him instructions to lengthen the throat for my dummy round which had a 300 gr Sierra MK seated with base even with neck shoulder junction. The cartridge looks like a giant version of the whisper. Using 57 grs of powder this barrel ought to last quite a while. </p><p></p><p>The result is an very accurate rifle that shoots 300 gr Sierra MKs at 2540 fps. I shot it at 200 yd the first time this spring. Shot a three shot group of .312". Have only fired it once at 500 M rams at the Tucson Rifle club's range but conditions were very windy with gusts of up to 20 mph. It shot tiny clusters regardless of the wind. While the Sierras shoot well I want to try the Berger 300 hybrids when they come out again. </p><p></p><p>To be honest I didn't think the mauser action was the best idea for a LR platform. I was wrong.</p><p></p><p><img src="http://i206.photobucket.com/albums/bb4/RossLeggett/Heavy7RemMag003.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p></p><p><img src="http://i206.photobucket.com/albums/bb4/RossLeggett/Heavy7RemMag005.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i206.photobucket.com/albums/bb4/RossLeggett/Heavy7RemMag007.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="AZShooter, post: 527202, member: 5219"] I was given a 375 H and H Mark X a couple of years ago. After shooting it for a while it became a "donor" for a LR build. Joel Russo was willing to make me a laminate even though he didn't have it programmed into his CNC mill. Stuck a 1 in 7 twist 30" #7 SS barrel on it. My gunsmith worked the existing trigger to 1 lb. Near Mfg. sold me a picatinny rail. It was chambered in 7 rem mag and shot 180 Berger VLDs. It was extremely accurate and killed a coues wt at 460 very handily. Eventually the fast twist and the three groove barrel combination doomed this barrel. It caused the VLDs to unravel in flight. Even the heavy target versions were not immune. Last winter I had Dan Pederson in Prescott rebore the barrel to .338. I had him use my 338 RCM reamer and gave him instructions to lengthen the throat for my dummy round which had a 300 gr Sierra MK seated with base even with neck shoulder junction. The cartridge looks like a giant version of the whisper. Using 57 grs of powder this barrel ought to last quite a while. The result is an very accurate rifle that shoots 300 gr Sierra MKs at 2540 fps. I shot it at 200 yd the first time this spring. Shot a three shot group of .312". Have only fired it once at 500 M rams at the Tucson Rifle club's range but conditions were very windy with gusts of up to 20 mph. It shot tiny clusters regardless of the wind. While the Sierras shoot well I want to try the Berger 300 hybrids when they come out again. To be honest I didn't think the mauser action was the best idea for a LR platform. I was wrong. [IMG]http://i206.photobucket.com/albums/bb4/RossLeggett/Heavy7RemMag003.jpg[/IMG] [IMG]http://i206.photobucket.com/albums/bb4/RossLeggett/Heavy7RemMag005.jpg[/IMG] [IMG]http://i206.photobucket.com/albums/bb4/RossLeggett/Heavy7RemMag007.jpg[/IMG] [/QUOTE]
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