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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
260 Remington AI Build
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<blockquote data-quote="lancetkenyon" data-source="post: 1660773" data-attributes="member: 68875"><p>30° also feeds a bit better/smoother than 40° shoulders.</p><p></p><p>If you are fire formed, look at .260 Rem load data, start about that halfway point and work up.</p><p></p><p>What powder are you intending to use? I would look at stability and accuracy over pure raw speed. H4350 would be/is my personal choice. I have used H4350 in about a dozen different 6.5CM, .260 Rem, and a 6.5SLR. RL16, RL26, Superformance might give better speeds however if that is the way you want to go. </p><p></p><p>I have run a 28" 1:8" heavy 6.5SLR for years and it is similar to .260AI 30°. I ran 142 SMKs a lot. Also, 140 Hybrids. From 2820 for my light target loads to 2940 for my hunting loads. I have up to 8 firings on some of my R-P brass. Some pockets are starting to get loose on my hunting loads though. </p><p>After 2800 rounds, the rifle barrel was done, so it got a total rework. New barrel, stock, scope. Shed 5 full pounds and 6" of barrel length down to 22". I am now running a 130 Berger Hybrid OTM. And this barrel LOVES them over H4350.</p></blockquote><p></p>
[QUOTE="lancetkenyon, post: 1660773, member: 68875"] 30° also feeds a bit better/smoother than 40° shoulders. If you are fire formed, look at .260 Rem load data, start about that halfway point and work up. What powder are you intending to use? I would look at stability and accuracy over pure raw speed. H4350 would be/is my personal choice. I have used H4350 in about a dozen different 6.5CM, .260 Rem, and a 6.5SLR. RL16, RL26, Superformance might give better speeds however if that is the way you want to go. I have run a 28" 1:8" heavy 6.5SLR for years and it is similar to .260AI 30°. I ran 142 SMKs a lot. Also, 140 Hybrids. From 2820 for my light target loads to 2940 for my hunting loads. I have up to 8 firings on some of my R-P brass. Some pockets are starting to get loose on my hunting loads though. After 2800 rounds, the rifle barrel was done, so it got a total rework. New barrel, stock, scope. Shed 5 full pounds and 6" of barrel length down to 22". I am now running a 130 Berger Hybrid OTM. And this barrel LOVES them over H4350. [/QUOTE]
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Rifles, Bullets, Barrels & Ballistics
260 Remington AI Build
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