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Rifles, Reloading, Optics, Equipment
7mm STW
7STW 195 Berger N570
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<blockquote data-quote="WapitiBob" data-source="post: 2725811" data-attributes="member: 38015"><p>I had planned on turning this STW into a 28 Nosler when the barrel was done, so I had all the components. 1+ moa and not as consistent as I would like, although the 143 Hammers did OK. One day the light went off; the STW is close to a 28 and all I needed to do was try the 195's and N570 that works so well with the 28 and maybe it'll shoot. An old thread had some charge weights so got started.</p><p>I bedded a new Manners stock, then went to the range and shot a progressive string looking for something semi good, then went back and shot the 81/81.5/82 and settled on 81.3gr.</p><p></p><p></p><p></p><p>[ATTACH=full]431797[/ATTACH]</p><p></p><p>After reading thru a stock bedding thread here on the forum I felt I needed to do the bedding again; I was feeling some stock movement when I loosened the front screw 1/3 turn. After that 2nd bedding job I went back to the range and sighted in at 200.</p><p>[ATTACH=full]431798[/ATTACH]</p><p></p><p>I then went straight to the long distance range, guessed the velocity at 3,000, and shot one at 400, then dialed to 600. I shot 1, hitting low left, adjusted and shot 3 more. I hadn't seen a 3 shot group like that at 600, ever, not even close.</p><p></p><p>[ATTACH=full]431799[/ATTACH]</p><p></p><p>I waited almost a week and went back to see if it was a fluke. Wind was not bad, about 7 from the 10/11 side. I shot the 1st, hitting at 2:00, adjusted and shot the 2nd, hitting at 3:30, adjusted again and shot my last 5 rounds.</p><p>I like it.</p><p></p><p></p><p>[ATTACH=full]431800[/ATTACH]</p><p></p><p>Nosler brass twice fired, AMP annealed every firing,</p><p>step down bushings .315/.312/.310, the fired neck is .318</p><p>.310 neck bushing leaves the unloaded neck at .3108, loaded neck is .314</p><p>195 Berger .020" off</p><p>81.3 N570</p></blockquote><p></p>
[QUOTE="WapitiBob, post: 2725811, member: 38015"] I had planned on turning this STW into a 28 Nosler when the barrel was done, so I had all the components. 1+ moa and not as consistent as I would like, although the 143 Hammers did OK. One day the light went off; the STW is close to a 28 and all I needed to do was try the 195's and N570 that works so well with the 28 and maybe it'll shoot. An old thread had some charge weights so got started. I bedded a new Manners stock, then went to the range and shot a progressive string looking for something semi good, then went back and shot the 81/81.5/82 and settled on 81.3gr. [ATTACH type="full" alt="1st bedding (Small).JPG"]431797[/ATTACH] After reading thru a stock bedding thread here on the forum I felt I needed to do the bedding again; I was feeling some stock movement when I loosened the front screw 1/3 turn. After that 2nd bedding job I went back to the range and sighted in at 200. [ATTACH type="full" alt="2nd bedding sight in (Small).jpg"]431798[/ATTACH] I then went straight to the long distance range, guessed the velocity at 3,000, and shot one at 400, then dialed to 600. I shot 1, hitting low left, adjusted and shot 3 more. I hadn't seen a 3 shot group like that at 600, ever, not even close. [ATTACH type="full" alt="after 2nd bedding (Small).jpg"]431799[/ATTACH] I waited almost a week and went back to see if it was a fluke. Wind was not bad, about 7 from the 10/11 side. I shot the 1st, hitting at 2:00, adjusted and shot the 2nd, hitting at 3:30, adjusted again and shot my last 5 rounds. I like it. [ATTACH type="full" alt="follow up to 2nd bedding (Small).jpg"]431800[/ATTACH] Nosler brass twice fired, AMP annealed every firing, step down bushings .315/.312/.310, the fired neck is .318 .310 neck bushing leaves the unloaded neck at .3108, loaded neck is .314 195 Berger .020" off 81.3 N570 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
7mm STW
7STW 195 Berger N570
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