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The Range
Gunsmithing & Repairs
Fire lapping my first time, Ruger barrel
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<blockquote data-quote="swampratt" data-source="post: 2755868" data-attributes="member: 15054"><p>I purchased a Ruger new model Blackhawk Bisley and found that the thing is </p><p>finished very poorly. The worst was the barrel had a tight spot where the barrel screwed into the frame.</p><p></p><p>I tried to fire lap with wheel weight lead bullets.</p><p>No dice the constriction was not improved at all. Bullets too hard to allow the compound to imbed into them.</p><p></p><p>So I made some pure soft lead bullets and took some fine lapping compound. <a href="http://www.amazon.com/Versachem-13209-Metal-Grinding-Compound/dp/B00C3Z9EX4" target="_blank">http://www.amazon.com/Versachem-13209-Metal-Grinding-Compound/dp/B00C3Z9EX4</a></p><p>And mixed that with some 320 grit sandpaper that I torched and turned into a pile of ashes.. Theory being that you will have a pile of 320 grit when finished.</p><p>I fired 12 powder puff rounds through the gun and cleaned it.. there was zero leading.</p><p>Then pushed a soft lead slug through the barrel.. I noticed the constriction was almost gone.</p><p>I sent another 12 rounds through and again pushed a slug through it.</p><p></p><p>This time I was rewarded , as I pushed the slug in from the muzzle it was tight and 2" into the 7.5" barrel the slug got real easy to push in.</p><p></p><p>I could now push the slug in with a piece of rubber tubing and all the way out towards the cylinder.. I then pushed the slug through from the forcing cone side , 2" before the end of the barrel it got snug and I could no longer push it with the rubber hose (vacuum tubing ).</p><p>Looking into the barrel it is super shiny no scratches.</p><p></p><p>Now I need to load some real ammo and see if it still shoots big groups or smaller groups.</p><p></p><p>The powder puff load was standard primers with .25cc of 231 powder.</p><p>1/2 of a Lee .5cc scoop.</p><p>The soft lead bullets were laying in some grinding compound I smeared on a steel table and then I took another piece of steel and rolled with pressure across the bullets to imbed the grinding mixture into the soft lead.</p><p></p><p>I then loaded these into a NON sized already fired case with powder and primer.. I seated them with my fingers and tapped them to length with a hammer.. very light tapping.. You could push them in if you pressed hard enough but I found that sent the bullet too deep too fast.</p><p></p><p>Guess I need to go out tomorrow and shoot it.</p><p>I have tried 3 powders and 3 different bullets and none of them shot good groups.</p><p>Maybe I won't be a sad Ruger owner</p></blockquote><p></p>
[QUOTE="swampratt, post: 2755868, member: 15054"] I purchased a Ruger new model Blackhawk Bisley and found that the thing is finished very poorly. The worst was the barrel had a tight spot where the barrel screwed into the frame. I tried to fire lap with wheel weight lead bullets. No dice the constriction was not improved at all. Bullets too hard to allow the compound to imbed into them. So I made some pure soft lead bullets and took some fine lapping compound. [url]http://www.amazon.com/Versachem-13209-Metal-Grinding-Compound/dp/B00C3Z9EX4[/url] And mixed that with some 320 grit sandpaper that I torched and turned into a pile of ashes.. Theory being that you will have a pile of 320 grit when finished. I fired 12 powder puff rounds through the gun and cleaned it.. there was zero leading. Then pushed a soft lead slug through the barrel.. I noticed the constriction was almost gone. I sent another 12 rounds through and again pushed a slug through it. This time I was rewarded , as I pushed the slug in from the muzzle it was tight and 2" into the 7.5" barrel the slug got real easy to push in. I could now push the slug in with a piece of rubber tubing and all the way out towards the cylinder.. I then pushed the slug through from the forcing cone side , 2" before the end of the barrel it got snug and I could no longer push it with the rubber hose (vacuum tubing ). Looking into the barrel it is super shiny no scratches. Now I need to load some real ammo and see if it still shoots big groups or smaller groups. The powder puff load was standard primers with .25cc of 231 powder. 1/2 of a Lee .5cc scoop. The soft lead bullets were laying in some grinding compound I smeared on a steel table and then I took another piece of steel and rolled with pressure across the bullets to imbed the grinding mixture into the soft lead. I then loaded these into a NON sized already fired case with powder and primer.. I seated them with my fingers and tapped them to length with a hammer.. very light tapping.. You could push them in if you pressed hard enough but I found that sent the bullet too deep too fast. Guess I need to go out tomorrow and shoot it. I have tried 3 powders and 3 different bullets and none of them shot good groups. Maybe I won't be a sad Ruger owner [/QUOTE]
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