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Rifles, Reloading, Optics, Equipment
Reloading
I need help with pressure problems
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<blockquote data-quote="Bullet bumper" data-source="post: 647859" data-attributes="member: 17844"><p>I have no experience with the 6.5 x 47 lapua. However there is a few things you should check.</p><p>Lubricate the bolt lugs and cocking cam with molly grease.</p><p>Check the powder in the tin is the correct type. Maybe buy another can of 4350 to make sure . </p><p>Scrub the barrel and chamber out extra well with a good powerful copper solvent . Inspect the brass for rings that might indicate a rough chamber .</p><p>If so polish out the chamber . </p><p>Polish up the brass extra clean. </p><p>Size the brass for a neat but easy fit so it does not crush into the chamber because that can cause hard extraction. </p><p>Make sure the extractor is not bedding into the case rim and stopping the bolt from turning easy initially . </p><p>Some guns just will not digest as much powder as others.</p><p>Make sure your Chronogarph is reading accurately , test some other gun and known ammo. </p><p>Using Varget should make things worse as it is faster than H4350.</p><p>Don't just go by bolt lift also check primer flattening and cratering to see if it all matches .</p></blockquote><p></p>
[QUOTE="Bullet bumper, post: 647859, member: 17844"] I have no experience with the 6.5 x 47 lapua. However there is a few things you should check. Lubricate the bolt lugs and cocking cam with molly grease. Check the powder in the tin is the correct type. Maybe buy another can of 4350 to make sure . Scrub the barrel and chamber out extra well with a good powerful copper solvent . Inspect the brass for rings that might indicate a rough chamber . If so polish out the chamber . Polish up the brass extra clean. Size the brass for a neat but easy fit so it does not crush into the chamber because that can cause hard extraction. Make sure the extractor is not bedding into the case rim and stopping the bolt from turning easy initially . Some guns just will not digest as much powder as others. Make sure your Chronogarph is reading accurately , test some other gun and known ammo. Using Varget should make things worse as it is faster than H4350. Don't just go by bolt lift also check primer flattening and cratering to see if it all matches . [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
I need help with pressure problems
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