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Rifles, Reloading, Optics, Equipment
Gunsmithing
savage action trueness
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<blockquote data-quote="Trickymissfit" data-source="post: 577648" data-attributes="member: 25383"><p>The lug seating area will usually need to be lapped or something similar. I use "non-charging lapping compound." Have no idea where you buy it, and was given about four ounces of the stuff with hand written instructions. The last mod. 12 action I did a serious check on is in my safe, and it came in at less than .001" compound error. But on close inspection I found the lugs were not seating 50% at best. The problem there was in both the bolt and the reciever seating area. I fuzzed the seating area on the lugs slightly (maybe .0015") in a B&S #13, and then saw about 65% lug contact. From there I just lapped the two into each other under prssure from a home built device that was spring loaded. Interestingly, I found the threads in the reciever to very square (well under .001" TIR). Yet I also found some slight variation in the surfaces that the bases seat on. I have not found a good way to fix this without creating another problem. If the action is a pillar bedded one; you may find that the pillars are not in good contact (seems like it was the forward one). The recoil lug sucks on a good day! Get a better and heavier oner after market one. There's also a deal about squareing up the trigger mounting area. I've never done this on any of my Savages and I'm not all sure about the process. Just left it alone; rather then make a mess of it. </p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 577648, member: 25383"] The lug seating area will usually need to be lapped or something similar. I use "non-charging lapping compound." Have no idea where you buy it, and was given about four ounces of the stuff with hand written instructions. The last mod. 12 action I did a serious check on is in my safe, and it came in at less than .001" compound error. But on close inspection I found the lugs were not seating 50% at best. The problem there was in both the bolt and the reciever seating area. I fuzzed the seating area on the lugs slightly (maybe .0015") in a B&S #13, and then saw about 65% lug contact. From there I just lapped the two into each other under prssure from a home built device that was spring loaded. Interestingly, I found the threads in the reciever to very square (well under .001" TIR). Yet I also found some slight variation in the surfaces that the bases seat on. I have not found a good way to fix this without creating another problem. If the action is a pillar bedded one; you may find that the pillars are not in good contact (seems like it was the forward one). The recoil lug sucks on a good day! Get a better and heavier oner after market one. There's also a deal about squareing up the trigger mounting area. I've never done this on any of my Savages and I'm not all sure about the process. Just left it alone; rather then make a mess of it. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
savage action trueness
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