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Rifles, Reloading, Optics, Equipment
Reloading
SW4350 Temp Stability
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<blockquote data-quote="Pdyson" data-source="post: 2438603" data-attributes="member: 74061"><p>I found it much slower burn rate when I was working up loads in my 6 &6.5 creed. Shooters world documentation says it's the slowest of all the 4340 powders. But it's funny they also claim H4350 to be the fastest. I thought IMR was the fastest. They make no temperature sensitivity claims and have not answered when asked about it on line. Anyway, I loaded up some test rounds using the same charge weight as my favorite Hodgedon loads and the SW4350 velocities were approximately 175 to 200fps slower.</p><p></p><p> See below Shooters World product info cut and pasted from their website:</p><p></p><p><strong>SW4350 is the slowest of all the 4350 derivatives. As such, it has broad capabilities in moderate calibers where other 4350 derivatives cannot reach 100% loading density. It also has enhanced capabilities in larger magnum calibers, where other 4350 derivatives cannot reach.</strong></p><p><strong>If you seek accuracy, one of the</strong></p><p><strong>keys is to find a propellant that can "fill the case and seek maximum velocity". Several shooters have found this relationship to be true with SW4350, and are impressed with its performance. But please understand, SW4350 is not exactly the same propellant as H4350. Ranked in fastest to slowest of the 4350 deriva- tives: H4350, IMR4350, Accurate 4350, SW4350</strong></p></blockquote><p></p>
[QUOTE="Pdyson, post: 2438603, member: 74061"] I found it much slower burn rate when I was working up loads in my 6 &6.5 creed. Shooters world documentation says it’s the slowest of all the 4340 powders. But it’s funny they also claim H4350 to be the fastest. I thought IMR was the fastest. They make no temperature sensitivity claims and have not answered when asked about it on line. Anyway, I loaded up some test rounds using the same charge weight as my favorite Hodgedon loads and the SW4350 velocities were approximately 175 to 200fps slower. See below Shooters World product info cut and pasted from their website: [B]SW4350 is the slowest of all the 4350 derivatives. As such, it has broad capabilities in moderate calibers where other 4350 derivatives cannot reach 100% loading density. It also has enhanced capabilities in larger magnum calibers, where other 4350 derivatives cannot reach. If you seek accuracy, one of the keys is to find a propellant that can "fill the case and seek maximum velocity". Several shooters have found this relationship to be true with SW4350, and are impressed with its performance. But please understand, SW4350 is not exactly the same propellant as H4350. Ranked in fastest to slowest of the 4350 deriva- tives: H4350, IMR4350, Accurate 4350, SW4350[/B] [/QUOTE]
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Reloading
SW4350 Temp Stability
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