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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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<blockquote data-quote="JR" data-source="post: 35911" data-attributes="member: 1965"><p>There is a possibility they did not cut the crown far enough back, if it was pitting at the muzzle...Also, they relapped the barrel...Not sure why or how this was done, there is a good chance you can 'flare' the muzzle end, or chamber end, whereever the lap is reversed...But I digress because wasn't in the shop when it was done, and I'm sure they know what they're doing up there in Cantadia...wonder if they crowned before or after it was lapped..Sometimes when recrowning a factory barrel, the barrel is soooo bent it's hard to get a concentric crown, so you end up cutting more off one side then the next...Or you end up with a bit of metal burred up in the corner of the crown..I'll usually push a lap thru after the crown...Push or pull only, not push and pull..</p><p></p><p>Check velocities, watch for huge spreads, if you have your handy dandy cracker jack magnifier check the corners of the land/groove intersection, make sure they are still sharp and even...</p><p></p><p>Don't bother slugging the factory barrel, they don't come uniform..</p><p></p><p>And last but not least, have a word with PGW and not the online genies...They'll let you know what to do...I get a kick out of the guys that sit and stew all day over what ends up to be a simple solution to the problem, get home and let it out on the internet...When all you had to do was ring the smith/barrelmaker and it's sorted..Ha..Good luck mate..</p><p></p><p>JR</p></blockquote><p></p>
[QUOTE="JR, post: 35911, member: 1965"] There is a possibility they did not cut the crown far enough back, if it was pitting at the muzzle...Also, they relapped the barrel...Not sure why or how this was done, there is a good chance you can 'flare' the muzzle end, or chamber end, whereever the lap is reversed...But I digress because wasn't in the shop when it was done, and I'm sure they know what they're doing up there in Cantadia...wonder if they crowned before or after it was lapped..Sometimes when recrowning a factory barrel, the barrel is soooo bent it's hard to get a concentric crown, so you end up cutting more off one side then the next...Or you end up with a bit of metal burred up in the corner of the crown..I'll usually push a lap thru after the crown...Push or pull only, not push and pull.. Check velocities, watch for huge spreads, if you have your handy dandy cracker jack magnifier check the corners of the land/groove intersection, make sure they are still sharp and even... Don't bother slugging the factory barrel, they don't come uniform.. And last but not least, have a word with PGW and not the online genies...They'll let you know what to do...I get a kick out of the guys that sit and stew all day over what ends up to be a simple solution to the problem, get home and let it out on the internet...When all you had to do was ring the smith/barrelmaker and it's sorted..Ha..Good luck mate.. JR [/QUOTE]
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