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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.50bmg AMAX Question
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<blockquote data-quote="Fiftydriver" data-source="post: 271877" data-attributes="member: 10"><p>You are still better then 1 moa which for a factory rifle is pretty **** good. Yes, with certain loading techniques you could likely get consistant 3/4 moa or perhaps even play with that 1/2 moa level but in all likelihood, your about there.</p><p> </p><p>I would bet you would have to start sorting by weight your cases, primers and bullets, measuring baring surface and sorting by that as well. Turning your case necks and really tightening up your neck and bullet run outs to see a measurable improvement in what your getting right now.</p><p> </p><p>I used to do all that stuff but have since stopped simply because you had roughly 20 minutes into each case before you even threw a powder charge and it just got old to me. Now if your match shooting, needs to be done. If your happy with hitting what your shooting at in the vitals, I would say its up to you but likely not going to make a huge difference in group size with a factory barrel, chamber and throat.</p><p> </p><p>Also remember that you should test your loads at longer ranges, at least 800 yards and preferrably 1000 yards or more. A conventional long range rifle using vld type bullets will "go to sleep" around 100-125 yards. This means the bullet will shed the effects that the rifling in the bore impose on the bullet and the bullet will spin true around its own center of gravity.</p><p> </p><p>This also happens with the 50 BMG but because of the great weight and length of the bullets, it generally happens around 200-250 yards. What this means is that often times you will see groups at 100 and 200 yards look very similiar but groups at 300 and 800 yards will also very close in size. Often times, the longer range groups will be smaller in moa measurement, many times dramatically smaller.</p><p> </p><p>Stretch her out and you will learn much more about the quality of your load.</p><p> </p><p>As far as PMing me, no problem but I would prefer you e-mail me as you will get a quicker response that way. I reply to PMs when I get caught up with e-mails and they always take a back seat to the e-mails so shoot me an e-mail at the address in my signature below and I will offer any experience I may have that can help.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 271877, member: 10"] You are still better then 1 moa which for a factory rifle is pretty **** good. Yes, with certain loading techniques you could likely get consistant 3/4 moa or perhaps even play with that 1/2 moa level but in all likelihood, your about there. I would bet you would have to start sorting by weight your cases, primers and bullets, measuring baring surface and sorting by that as well. Turning your case necks and really tightening up your neck and bullet run outs to see a measurable improvement in what your getting right now. I used to do all that stuff but have since stopped simply because you had roughly 20 minutes into each case before you even threw a powder charge and it just got old to me. Now if your match shooting, needs to be done. If your happy with hitting what your shooting at in the vitals, I would say its up to you but likely not going to make a huge difference in group size with a factory barrel, chamber and throat. Also remember that you should test your loads at longer ranges, at least 800 yards and preferrably 1000 yards or more. A conventional long range rifle using vld type bullets will "go to sleep" around 100-125 yards. This means the bullet will shed the effects that the rifling in the bore impose on the bullet and the bullet will spin true around its own center of gravity. This also happens with the 50 BMG but because of the great weight and length of the bullets, it generally happens around 200-250 yards. What this means is that often times you will see groups at 100 and 200 yards look very similiar but groups at 300 and 800 yards will also very close in size. Often times, the longer range groups will be smaller in moa measurement, many times dramatically smaller. Stretch her out and you will learn much more about the quality of your load. As far as PMing me, no problem but I would prefer you e-mail me as you will get a quicker response that way. I reply to PMs when I get caught up with e-mails and they always take a back seat to the e-mails so shoot me an e-mail at the address in my signature below and I will offer any experience I may have that can help. [/QUOTE]
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.50bmg AMAX Question
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