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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7lrm vs 7-300 win or maybe 6.5x284
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<blockquote data-quote="IdahoCTD" data-source="post: 1032954" data-attributes="member: 13110"><p>In my 27" barreled 7-300wm I shoot 73grs of H-1000 and a 162 Amax 3240fps with RWS brass. I also have a 28" barreled gun that shoots the same load 3280fps. RWS brass is notoriously slow because of the reduced capacity. I think a 7-375 Ruger will have a bit more capacity but you will lose a lot of the 11gr difference necking it down to 7mm. Your also stuck with one source of brass. I was tempted to do one several years ago but since I already had dies and a 7-300wm from many years before I built another 7-300wm. If I had to do it again I think I would spend the money on custom dies and do a 7 on a 6.5x68 Schuler case with a 35 degree shoulder to slow down case stretch. RWS makes brass for it and by improving it you can get the capacity up over a 7-300wm yet still have the toughest brass made. The brass is expensive but 100 rounds would easily outlast a barrel. Many people that have used the case for benchrest shooting have reported up to 50 firings per case and I haven't worn any 300wm cases out yet. Many of my cases have 6-8 firings on them with no signs of wear. The downer is you need a custom size bolt face. I will most likely go that route when I burn up my current 6.5-300wm barrels.</p></blockquote><p></p>
[QUOTE="IdahoCTD, post: 1032954, member: 13110"] In my 27" barreled 7-300wm I shoot 73grs of H-1000 and a 162 Amax 3240fps with RWS brass. I also have a 28" barreled gun that shoots the same load 3280fps. RWS brass is notoriously slow because of the reduced capacity. I think a 7-375 Ruger will have a bit more capacity but you will lose a lot of the 11gr difference necking it down to 7mm. Your also stuck with one source of brass. I was tempted to do one several years ago but since I already had dies and a 7-300wm from many years before I built another 7-300wm. If I had to do it again I think I would spend the money on custom dies and do a 7 on a 6.5x68 Schuler case with a 35 degree shoulder to slow down case stretch. RWS makes brass for it and by improving it you can get the capacity up over a 7-300wm yet still have the toughest brass made. The brass is expensive but 100 rounds would easily outlast a barrel. Many people that have used the case for benchrest shooting have reported up to 50 firings per case and I haven't worn any 300wm cases out yet. Many of my cases have 6-8 firings on them with no signs of wear. The downer is you need a custom size bolt face. I will most likely go that route when I burn up my current 6.5-300wm barrels. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7lrm vs 7-300 win or maybe 6.5x284
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