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Rem700 300WM Troubleshooting
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<blockquote data-quote="EarlYoung" data-source="post: 1369171" data-attributes="member: 102663"><p>Update:</p><p></p><p>I decided to leave the rifle with my dad because of my current work schedule. He too experienced the poor performance and went straight to work on it without the gunsmith. He cleaned out the brake and found that the bedding job looked nice but hated that the recoil lug was fully bedded from the beginning (gunsmith wanted to do it that way so I did) and somehow turned out to be around .002" too tight for the lug! He cut out the front and sides and read a lot of conflicting information regarding what the stock should be torqued at. On McMillan's site 40-45lbs, on a post by I think the owner of mcmillan on this site 45-50lbs, and elsewhere pillar bedding should be 50-55lbs. He settled on trying it at 48lbs based on what he read it wouldn't matter too much for overtightening them but it would matter undertightening them.</p><p></p><p>Build up image was after he worked on it using a Berger 215 grain hybrid, reloader 26, and seated at 3.570" which is just .010" short enough to fit the magazine and .047" off the lands. It's clocking around 2900 fps at what looks to me to be the right charge node, 73.4-73.6 grains. One casing of 73.8 showed light pressure signs and that's where he stopped.</p><p></p><p>He wanted to comment that every group he shot with this bullet and others had the first two closest, often touching, and the third was the worst. He thinks he's "wishing the shot in" due to his personal pressure of making it right for someone but is concerned there might still be something wrong because he doesn't do it often with other rifles.</p><p></p><p>For the lands, he did some testing before changing the stock and brake to find that moving the 212 grain ELDX went from 6" groups to 1" groups just by making them 0.010" longer. We are now firm believers in adjusting smaller amounts of COAL and hes gone back to all his rifles to experiment because of it. All buildup loads are scoring 1MOA or better after changes which is a great sign, the same 212 grain ELDX load was 3/4" on the last test.</p></blockquote><p></p>
[QUOTE="EarlYoung, post: 1369171, member: 102663"] Update: I decided to leave the rifle with my dad because of my current work schedule. He too experienced the poor performance and went straight to work on it without the gunsmith. He cleaned out the brake and found that the bedding job looked nice but hated that the recoil lug was fully bedded from the beginning (gunsmith wanted to do it that way so I did) and somehow turned out to be around .002" too tight for the lug! He cut out the front and sides and read a lot of conflicting information regarding what the stock should be torqued at. On McMillan's site 40-45lbs, on a post by I think the owner of mcmillan on this site 45-50lbs, and elsewhere pillar bedding should be 50-55lbs. He settled on trying it at 48lbs based on what he read it wouldn't matter too much for overtightening them but it would matter undertightening them. Build up image was after he worked on it using a Berger 215 grain hybrid, reloader 26, and seated at 3.570" which is just .010" short enough to fit the magazine and .047" off the lands. It's clocking around 2900 fps at what looks to me to be the right charge node, 73.4-73.6 grains. One casing of 73.8 showed light pressure signs and that's where he stopped. He wanted to comment that every group he shot with this bullet and others had the first two closest, often touching, and the third was the worst. He thinks he's "wishing the shot in" due to his personal pressure of making it right for someone but is concerned there might still be something wrong because he doesn't do it often with other rifles. For the lands, he did some testing before changing the stock and brake to find that moving the 212 grain ELDX went from 6" groups to 1" groups just by making them 0.010" longer. We are now firm believers in adjusting smaller amounts of COAL and hes gone back to all his rifles to experiment because of it. All buildup loads are scoring 1MOA or better after changes which is a great sign, the same 212 grain ELDX load was 3/4" on the last test. [/QUOTE]
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