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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Swift Scirocco and M14
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<blockquote data-quote="rammac" data-source="post: 1985111" data-attributes="member: 27761"><p>I've been reloading for the M1A rifles for several decades and the most versatile powder I've found is IMR 3031, it's a good powder to start with and use as a base to compare against.</p><p></p><p>I assume you're referring to the 165 gr Swift Scirocco since they don't list a 168 gr bullet.</p><p></p><p>A good starting starting load would be;</p><p>Case trim to length of 2.006"</p><p>Cartridge overall length of 2.80"</p><p>From 38 to 41.5 grains of IMR 3031</p><p></p><p>Another powder that will work well is W748</p><p>From 40.0 to 43.0 grains would be a reasonable range of powder charges.</p><p></p><p>As always, start low and work up in powder charges, you'll know if you're too low with the M1A because the system won't cycle.</p></blockquote><p></p>
[QUOTE="rammac, post: 1985111, member: 27761"] I've been reloading for the M1A rifles for several decades and the most versatile powder I've found is IMR 3031, it's a good powder to start with and use as a base to compare against. I assume you're referring to the 165 gr Swift Scirocco since they don't list a 168 gr bullet. A good starting starting load would be; Case trim to length of 2.006" Cartridge overall length of 2.80" From 38 to 41.5 grains of IMR 3031 Another powder that will work well is W748 From 40.0 to 43.0 grains would be a reasonable range of powder charges. As always, start low and work up in powder charges, you'll know if you're too low with the M1A because the system won't cycle. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Swift Scirocco and M14
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