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Rifles, Reloading, Optics, Equipment
Gunsmithing
Custom Rifle accuracy expectations??
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<blockquote data-quote="rscott5028" data-source="post: 555277" data-attributes="member: 24624"><p>SBruce,</p><p> </p><p>My experience is limited. But, I thought you might find this feedback useful. </p><p> </p><p>My son and I just finished building our 3rd custom rifle. </p><p> </p><p>The first 2 were warmup/learning, truing up a factory Model 70 and Mauser 98 and rebarreling. </p><p> </p><p>The Mauser 270 Win with $75 Shilen barrel shoots just under MOA out to 300yds, but I have to admit my threading/chambering was a little loose on that barrel. We will try again later. </p><p> </p><p>The Model 70 6.5x284 with a used Kreiger Palma barrel with a 1" setback shoots 1/2" at 100 with very little load workup. We've shot several 1/4" groups. But, it's consistently 1/2" including a cold/clean bore fouling shot and stays there for 30-40 shots without cleaning. </p><p> </p><p>My son was ringing a 5" steel plate at 500 yds right and left a couple of weeks ago. And, the one 5 shot group he put on paper at 500 measured 2". Wind was near 0. </p><p> </p><p>Feeling a little more confident, we just completed a 6br with a Stiller Tac-30, Bartlein 5r 1:8 twist, Manners T4a. We shot one box of factory Lapua ammo that was all under .5 MOA. Yesterday, we handloaded that brass without any load development using 30gr Varget and Berger 105's .010" off the lands. </p><p> </p><p>Every group shot under .5" @ 100yds with 15fps ES. ...single digit if you disregard the 2 where I tried to force a standard decapping pin through the Lapua BR flash hole. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p> </p><p>We still need to bed the rifle, but we just couldn't wait to go shoot. </p><p> </p><p>We're probably just going to stop right there and start collecting dope until after hunting season. </p><p> </p><p>These are not big magnums. So, I expect it's easier to get good results. But, it seems that even a hobbyist can build 1/2 MOA rifles with good components and modest effort. It may take some effort to get there due to the law of diminishing returns. But, our future goal will be consistent 1/4 MOA. </p><p> </p><p>Hope this helps. </p><p>-- richard</p></blockquote><p></p>
[QUOTE="rscott5028, post: 555277, member: 24624"] SBruce, My experience is limited. But, I thought you might find this feedback useful. My son and I just finished building our 3rd custom rifle. The first 2 were warmup/learning, truing up a factory Model 70 and Mauser 98 and rebarreling. The Mauser 270 Win with $75 Shilen barrel shoots just under MOA out to 300yds, but I have to admit my threading/chambering was a little loose on that barrel. We will try again later. The Model 70 6.5x284 with a used Kreiger Palma barrel with a 1" setback shoots 1/2" at 100 with very little load workup. We've shot several 1/4" groups. But, it's consistently 1/2" including a cold/clean bore fouling shot and stays there for 30-40 shots without cleaning. My son was ringing a 5" steel plate at 500 yds right and left a couple of weeks ago. And, the one 5 shot group he put on paper at 500 measured 2". Wind was near 0. Feeling a little more confident, we just completed a 6br with a Stiller Tac-30, Bartlein 5r 1:8 twist, Manners T4a. We shot one box of factory Lapua ammo that was all under .5 MOA. Yesterday, we handloaded that brass without any load development using 30gr Varget and Berger 105's .010" off the lands. Every group shot under .5" @ 100yds with 15fps ES. ...single digit if you disregard the 2 where I tried to force a standard decapping pin through the Lapua BR flash hole. :) We still need to bed the rifle, but we just couldn't wait to go shoot. We're probably just going to stop right there and start collecting dope until after hunting season. These are not big magnums. So, I expect it's easier to get good results. But, it seems that even a hobbyist can build 1/2 MOA rifles with good components and modest effort. It may take some effort to get there due to the law of diminishing returns. But, our future goal will be consistent 1/4 MOA. Hope this helps. -- richard [/QUOTE]
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