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Rifles, Reloading, Optics, Equipment
Reloading
6.5 Sherman load data needed
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<blockquote data-quote="dok7mm" data-source="post: 1314318" data-attributes="member: 90080"><p>ramrod, glad to see your post. I have been doing some testing with Retumbo and RL-26 and 140 Berger's. I'm up to 3100 fps w/63 gr of Retumbo in Norma 280 brass (no pressure) and 3162 fps w/ 61 gr.</p><p>RL-26 (increasing bolt lift & slight smearing. 75*, 28.25hg, 60% humidity.</p><p></p><p>26" 5R 3B Bartlein, 8 twist, .235" FB, nitrided barrel with round count of 250, including fire forming Rds. So far, this doesn't seem to be a very fast barrel, but is shooting in the .2-.3 range @ 100. Everything I've shot so far is .020" off the lands, but will do seating depth test next.</p><p></p><p>I finally have some N-570 on the way, so it's good to see some data on it. Wondering if you've measured head expansion on your loads. Be sure and let us know us know how your primer pockets hold up. Also any data you get on 150 & 160 matrix w/N-570. Thanks for sharing.</p></blockquote><p></p>
[QUOTE="dok7mm, post: 1314318, member: 90080"] ramrod, glad to see your post. I have been doing some testing with Retumbo and RL-26 and 140 Berger's. I'm up to 3100 fps w/63 gr of Retumbo in Norma 280 brass (no pressure) and 3162 fps w/ 61 gr. RL-26 (increasing bolt lift & slight smearing. 75*, 28.25hg, 60% humidity. 26" 5R 3B Bartlein, 8 twist, .235" FB, nitrided barrel with round count of 250, including fire forming Rds. So far, this doesn't seem to be a very fast barrel, but is shooting in the .2-.3 range @ 100. Everything I've shot so far is .020" off the lands, but will do seating depth test next. I finally have some N-570 on the way, so it's good to see some data on it. Wondering if you've measured head expansion on your loads. Be sure and let us know us know how your primer pockets hold up. Also any data you get on 150 & 160 matrix w/N-570. Thanks for sharing. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
6.5 Sherman load data needed
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