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<blockquote data-quote="Halfmast" data-source="post: 329484" data-attributes="member: 20855"><p>For the past three years I have been having trouble getting a Pro Hunter (28" Encore) in the 7MM Rem Mag to group. Had a top of the line scope that was sent to factory twice about this and was sent back with a good bill of health. Have put all kinds of rounds down range and many trips to the range to resolve the problem and even tried different ammo's out. I knew it was not the shooter because the 209 Muzzlelaoder barrel that shoots on the same frame shoots 1" groups at 100 yards all day! Took the 7MM and scope back to the guys that sold it to me and installed the scope several times also and they could not find any proplems with it. So finally I had a new scope put on it. Still it would not group at 50 yards. Took it home and my neighbor who is a half way gunsmith took the scope and rings off down to the rail. We noticed that the rail was being hammered out by the recoil lugs that are on the bottom of the rings. The lugs were moving in the rail slots at least 1/16". So we made some shims out of Reynolds Wrap and filled the gap on both ring mounts. We also noticed after putting the scope back on that the ring clamps only had about 1/32" of clamping surface on the bottom rail. So we took a file to the angle at the top of each side of the rail where the the ring mounts to it. And cut the surface down enough for the rings to seat down farther on the rail. This gave the ring clamps 1/8" of clamping surface. Put it back together with the shims and took it to the range the next day. It now shoots a 3/4" group with factory ammunition at 100 yards! That is good enough for this old soldier! I guess the moral of this story is that Magnum recoil needs to be nailed down with a solid base before it will work. Oh, this barrel is a factory Thompson Center that has had a bunch of bore cleaner and patches run through it at the range and at the house. The results I am getting now are out of a clean barrel.</p></blockquote><p></p>
[QUOTE="Halfmast, post: 329484, member: 20855"] For the past three years I have been having trouble getting a Pro Hunter (28" Encore) in the 7MM Rem Mag to group. Had a top of the line scope that was sent to factory twice about this and was sent back with a good bill of health. Have put all kinds of rounds down range and many trips to the range to resolve the problem and even tried different ammo's out. I knew it was not the shooter because the 209 Muzzlelaoder barrel that shoots on the same frame shoots 1" groups at 100 yards all day! Took the 7MM and scope back to the guys that sold it to me and installed the scope several times also and they could not find any proplems with it. So finally I had a new scope put on it. Still it would not group at 50 yards. Took it home and my neighbor who is a half way gunsmith took the scope and rings off down to the rail. We noticed that the rail was being hammered out by the recoil lugs that are on the bottom of the rings. The lugs were moving in the rail slots at least 1/16". So we made some shims out of Reynolds Wrap and filled the gap on both ring mounts. We also noticed after putting the scope back on that the ring clamps only had about 1/32" of clamping surface on the bottom rail. So we took a file to the angle at the top of each side of the rail where the the ring mounts to it. And cut the surface down enough for the rings to seat down farther on the rail. This gave the ring clamps 1/8" of clamping surface. Put it back together with the shims and took it to the range the next day. It now shoots a 3/4" group with factory ammunition at 100 yards! That is good enough for this old soldier! I guess the moral of this story is that Magnum recoil needs to be nailed down with a solid base before it will work. Oh, this barrel is a factory Thompson Center that has had a bunch of bore cleaner and patches run through it at the range and at the house. The results I am getting now are out of a clean barrel. [/QUOTE]
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