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Rifles, Reloading, Optics, Equipment
Reloading
7mm STW and Reloder 25
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<blockquote data-quote="just_jon" data-source="post: 1973692" data-attributes="member: 112153"><p>My friend's LabRadar confirmed this is indeed a slow barrel. Also ran it through QuickLoad which the mailman just dropped off. It shows 81.2 of RL 25 should yield 3196 fps which is only 104 fps below what I'm getting. I can live with that since it is a very accurate rifle. QL max safe load is 82.82 grains which I will work up to cautiously. Also plan on trying Reloder 26 to see if I can wring out a bit more speed. </p><p></p><p>Is it possible that the speeds I'm seeing are the result of a misaligned chamber? I see no uneven wear on the lands in front of the throat which I would expect if it was off center. Perhaps that would not show up this early. </p><p></p><p>A little history. Rifle started out as a 7 RM in 1993. Didn't own a crony then so I have no clue whether it was a slow barrel in that chambering. I had the rifle rechambered by a well regarded local smith in 1996 in preparation for a 1997 Idaho elk hunt. I ended up not using it on that hunt after discovering a month before the hunt that the magazine was too short. Despite providing a dummy round, the smith never mentioned that other modifications may be needed with the rechambering, He had the reamer on hand which tells me this is not the first 7 STW he's done, but I take responsibility for not being an educated consumer. I had another smith correct the issue, but the rifle ended up spending the next 20 years as a safe queen. </p><p></p><p>I was discussing this issue with a buddy last evening and he asked which smith did the chamber job. I said I thought it was a one man operation, but was told that the smith's son had taken over the business around that time and ran it out of business within a year by doing shoddy work. I will do a chamber cast when I get the necessary supplies.</p></blockquote><p></p>
[QUOTE="just_jon, post: 1973692, member: 112153"] My friend’s LabRadar confirmed this is indeed a slow barrel. Also ran it through QuickLoad which the mailman just dropped off. It shows 81.2 of RL 25 should yield 3196 fps which is only 104 fps below what I'm getting. I can live with that since it is a very accurate rifle. QL max safe load is 82.82 grains which I will work up to cautiously. Also plan on trying Reloder 26 to see if I can wring out a bit more speed. Is it possible that the speeds I’m seeing are the result of a misaligned chamber? I see no uneven wear on the lands in front of the throat which I would expect if it was off center. Perhaps that would not show up this early. A little history. Rifle started out as a 7 RM in 1993. Didn’t own a crony then so I have no clue whether it was a slow barrel in that chambering. I had the rifle rechambered by a well regarded local smith in 1996 in preparation for a 1997 Idaho elk hunt. I ended up not using it on that hunt after discovering a month before the hunt that the magazine was too short. Despite providing a dummy round, the smith never mentioned that other modifications may be needed with the rechambering, He had the reamer on hand which tells me this is not the first 7 STW he’s done, but I take responsibility for not being an educated consumer. I had another smith correct the issue, but the rifle ended up spending the next 20 years as a safe queen. I was discussing this issue with a buddy last evening and he asked which smith did the chamber job. I said I thought it was a one man operation, but was told that the smith's son had taken over the business around that time and ran it out of business within a year by doing shoddy work. I will do a chamber cast when I get the necessary supplies. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm STW and Reloder 25
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