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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 sst (sherman short tactical) arrived
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<blockquote data-quote="tbeckstead11" data-source="post: 1320028" data-attributes="member: 96338"><p>I finally got the XLR Evolution chassis all bedded up. It's ready to go. After my velocity test, I decided on 56.7 grains of Re36. This should have given me 3060fps, right where I want to be. </p><p></p><p>So, loaded up some depth tests and I was all over the place. Started doing some checking and my rail had come loose. So, loaded up some more, and this time it felt like there was too much recoil. My magnetospeed confirmed that the barrel has sped up about 60fps. </p><p></p><p>Back to the reloading bench for another velocity test. This time 55.5 grains of Re26 put me at 3060. 1.1 grains less powder for the same velocity. That's what happens when barrels break in sometimes. </p><p></p><p>I've now loaded up another set of depth tests at 55.3 grains. I'm hoping I don't work another 65 hour week so I can get out and shoot them. </p><p></p><p>Something very interesting about this round. Velocity tests are not showing flat spots at all. The velocity increase is extremely consistent. This only happens with VERY efficient cartridges. </p><p></p><p>I'm loving this super efficient cartridge!</p><p></p><p>I'll try to get some pictures up tomorrow.</p></blockquote><p></p>
[QUOTE="tbeckstead11, post: 1320028, member: 96338"] I finally got the XLR Evolution chassis all bedded up. It's ready to go. After my velocity test, I decided on 56.7 grains of Re36. This should have given me 3060fps, right where I want to be. So, loaded up some depth tests and I was all over the place. Started doing some checking and my rail had come loose. So, loaded up some more, and this time it felt like there was too much recoil. My magnetospeed confirmed that the barrel has sped up about 60fps. Back to the reloading bench for another velocity test. This time 55.5 grains of Re26 put me at 3060. 1.1 grains less powder for the same velocity. That's what happens when barrels break in sometimes. I've now loaded up another set of depth tests at 55.3 grains. I'm hoping I don't work another 65 hour week so I can get out and shoot them. Something very interesting about this round. Velocity tests are not showing flat spots at all. The velocity increase is extremely consistent. This only happens with VERY efficient cartridges. I'm loving this super efficient cartridge! I'll try to get some pictures up tomorrow. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 sst (sherman short tactical) arrived
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