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Rifles, Reloading, Optics, Equipment
Reloading
Reloader 33 (Alliant) for "lesser" calibers [than 338]?
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<blockquote data-quote="AZShooter" data-source="post: 850905" data-attributes="member: 5219"><p>I was one of the first guys to get this powder. I immediately tried it in the 257 weatherby and 6mm-284. Also tried it with a 7 rem mag. Posted results here over a year ago.</p><p></p><p>Since that time also tried it with a 300 RUM and 7mm/375 Ruger</p><p></p><p></p><p>Conclusions? Works best with the heaviest bullet for caliber. Slower than retumbo. Mid range load data for Retumbo is good starting point for RL-33. </p><p></p><p>Results: </p><p></p><p>110 accubond moly coated in 28" 257 Roy used 84.5 gr of RL-33 for 91 fps gain over a max load of RL-25 velocity 3735 fps</p><p></p><p>105 berger hybrid in 28" 6mm-284 Retumbo max load was 3307. 64.5 gr of RL-33 yielded a 178 fps increase! velocity 3535 fps</p><p></p><p>230 gr berger hybrid in 24" 300 RUM (no comparison) yielded 2975 fps with 100 gr of powder</p><p></p><p>180 hybrid in 29 3/8" 7mm/375 (no comparison) with 83 grs of RL-33 yielded 3200 fps </p><p></p><p>180 hybrid in 26" 7mm/375 (no comparison) with 84 gr of RL-33 yielded 3070 fps</p><p></p><p>162 a-max in 7 rem mag compared to retumbo had similar velocities. Ran out of room for RL-33 even with 6" drop tube. Never got to a max load. </p><p></p><p></p><p>Above load data may be too high for some rifles. Again retumbo mid range load data is a good starting point for this powder.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 850905, member: 5219"] I was one of the first guys to get this powder. I immediately tried it in the 257 weatherby and 6mm-284. Also tried it with a 7 rem mag. Posted results here over a year ago. Since that time also tried it with a 300 RUM and 7mm/375 Ruger Conclusions? Works best with the heaviest bullet for caliber. Slower than retumbo. Mid range load data for Retumbo is good starting point for RL-33. Results: 110 accubond moly coated in 28" 257 Roy used 84.5 gr of RL-33 for 91 fps gain over a max load of RL-25 velocity 3735 fps 105 berger hybrid in 28" 6mm-284 Retumbo max load was 3307. 64.5 gr of RL-33 yielded a 178 fps increase! velocity 3535 fps 230 gr berger hybrid in 24" 300 RUM (no comparison) yielded 2975 fps with 100 gr of powder 180 hybrid in 29 3/8" 7mm/375 (no comparison) with 83 grs of RL-33 yielded 3200 fps 180 hybrid in 26" 7mm/375 (no comparison) with 84 gr of RL-33 yielded 3070 fps 162 a-max in 7 rem mag compared to retumbo had similar velocities. Ran out of room for RL-33 even with 6" drop tube. Never got to a max load. Above load data may be too high for some rifles. Again retumbo mid range load data is a good starting point for this powder. [/QUOTE]
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Reloader 33 (Alliant) for "lesser" calibers [than 338]?
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