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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel erosion?
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<blockquote data-quote="Lefty7mmstw" data-source="post: 1665440" data-attributes="member: 48043"><p>I've seen it both ways. I've got a remmy lh bdl in 300rum that I've had to JB the heck out of to get it to stop fouling in just a few shots. The rifle's throat is starting to fire crack and will never be bright and shiny again. It, however, will still run .5 to .6 moa with a 225 at 3K fps. I'd be surprised if she lasts more than another couple hundred shots.</p><p>I've eroded the rifling flat for the first few inches on two 7rum rifles and a 243 and all three showed little to no fire-cracking. The last 7rum barrel (from a lh lss) is still sitting in my shop; she shot cloverleafs until she decided one day to start tossing errant shots. The first 7rum (rh bdl)I shot out simply started shooting bigger and bigger groups; a look down the barrel showed a flattened throat. The 243 was a savage pistol that decided to stop shooting. I hadn't really bothered to peek down the barrel but again, she had almost no rifling for the first few inches. All three looked glass smooth with basically no fire cracking.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 1665440, member: 48043"] I've seen it both ways. I've got a remmy lh bdl in 300rum that I've had to JB the heck out of to get it to stop fouling in just a few shots. The rifle's throat is starting to fire crack and will never be bright and shiny again. It, however, will still run .5 to .6 moa with a 225 at 3K fps. I'd be surprised if she lasts more than another couple hundred shots. I've eroded the rifling flat for the first few inches on two 7rum rifles and a 243 and all three showed little to no fire-cracking. The last 7rum barrel (from a lh lss) is still sitting in my shop; she shot cloverleafs until she decided one day to start tossing errant shots. The first 7rum (rh bdl)I shot out simply started shooting bigger and bigger groups; a look down the barrel showed a flattened throat. The 243 was a savage pistol that decided to stop shooting. I hadn't really bothered to peek down the barrel but again, she had almost no rifling for the first few inches. All three looked glass smooth with basically no fire cracking. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel erosion?
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