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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Polishing your bore
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<blockquote data-quote="Kroberts" data-source="post: 1057044" data-attributes="member: 71507"><p>Just wondering what everyone's opinion is on polishing your bore with JB bore polishing compound or something similar. I'm starting I become a fan of doing so. At this point my factory savage barrel 243win has about 2200-2300 max loads ran through it with about 1000 of which were 58 gr at just shy of 4k fps. Now I'm using 95 gr at 2980 which it typically puts 5 rounds into 3/4 Moa at about any range out to about 1k yards. But after about 300 rounds it starts to open up to 1.25 Moa. When I clean it I notice that the bore feels rough when pushing patches through. So I give the bore a few passes with the polishing compound and the patches go through much smoother and my groups go back down to 3/4 Moa. I Started polishing my bore when I switched to the 95 gr bullets from the 58s at about 1300 rounds. Since I figured the bore must have took some damage running that many rounds that fast. This barrel is getting changed out in a couple months so i'm going to keep polishing my bore until the new barrel gets in as long as I keep seeing benefits from it. </p><p></p><p>So what is everyone else's opinion on bore polishing? What are the positives and negatives you all are seeing?</p><p></p><p>Thanks</p><p>Kyle</p></blockquote><p></p>
[QUOTE="Kroberts, post: 1057044, member: 71507"] Just wondering what everyone's opinion is on polishing your bore with JB bore polishing compound or something similar. I'm starting I become a fan of doing so. At this point my factory savage barrel 243win has about 2200-2300 max loads ran through it with about 1000 of which were 58 gr at just shy of 4k fps. Now I'm using 95 gr at 2980 which it typically puts 5 rounds into 3/4 Moa at about any range out to about 1k yards. But after about 300 rounds it starts to open up to 1.25 Moa. When I clean it I notice that the bore feels rough when pushing patches through. So I give the bore a few passes with the polishing compound and the patches go through much smoother and my groups go back down to 3/4 Moa. I Started polishing my bore when I switched to the 95 gr bullets from the 58s at about 1300 rounds. Since I figured the bore must have took some damage running that many rounds that fast. This barrel is getting changed out in a couple months so i'm going to keep polishing my bore until the new barrel gets in as long as I keep seeing benefits from it. So what is everyone else's opinion on bore polishing? What are the positives and negatives you all are seeing? Thanks Kyle [/QUOTE]
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Polishing your bore
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