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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Fav powder for a 6-284 29" barrel
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<blockquote data-quote="Fiftydriver" data-source="post: 507615" data-attributes="member: 10"><p>One thing that always suprises me with loaders using the 6-284 or similiar chamberings is when they tell me that they would prefer to use RL-22 if it only was more stable with temp changes but then they say they go to H-1000 which is noticably slower burning and even Retumbo which is dramatically slower burning.</p><p> </p><p>H-4831 is nearly IDENTICAL to RL-22. Now you can not use same loads but burn rate for all intent and purpose is so close that whatever RL-22 can do in velocity, H-4831 will match it easily with very similiar pressures and load densities. There is even the option to use H-4831SC which has much smaller granular size.</p><p> </p><p>One thing to keep in mind when using the larger granular powders in a small bore, you may be seeing minor powder bridging at higher chamber pressures which could be limiting the potential of your chambering with these premature pressure spikes.</p><p> </p><p>The big 6mms are certainly prone to this problem with the larger stick powders. A fine ball powder would be best choice but few offer anything remotely close to stability under temp changes.</p><p> </p><p>Still, if RL-22 is the preferred powder in the 6-284, which from what I have seen, its about as ideal as you can get, why would anyone look any farther then H-4831 for a more stable replacement powder.</p><p> </p><p>Going to H-1000 and Retumbo will only increase load density and reduce velocity potential. This is not a bad thing. Extreme velocity spreads are generally very good with these slower powders and accuracy is generally pretty darn good as well so not a big deal but you do give up velocity and you also have to watch for excessive carbon fouling which is always an issue when using a large capacity small bore chambering and its exaggerated when using powders on the Slow side of the recommended burn rate for a specific chambering.</p><p> </p><p>Just always suprised how H-4831 gets passed over all the time which is really to bad. Maybe its because of its old name and the newer powders get the go over it. Still, I think alot of you would be very happy with the results of this powder in the big 6mm if you like what you see from RL-22.</p><p> </p><p>Great velocity, small granular size, stable in temp changes and clean burning with good load densities. May want to give it a try.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 507615, member: 10"] One thing that always suprises me with loaders using the 6-284 or similiar chamberings is when they tell me that they would prefer to use RL-22 if it only was more stable with temp changes but then they say they go to H-1000 which is noticably slower burning and even Retumbo which is dramatically slower burning. H-4831 is nearly IDENTICAL to RL-22. Now you can not use same loads but burn rate for all intent and purpose is so close that whatever RL-22 can do in velocity, H-4831 will match it easily with very similiar pressures and load densities. There is even the option to use H-4831SC which has much smaller granular size. One thing to keep in mind when using the larger granular powders in a small bore, you may be seeing minor powder bridging at higher chamber pressures which could be limiting the potential of your chambering with these premature pressure spikes. The big 6mms are certainly prone to this problem with the larger stick powders. A fine ball powder would be best choice but few offer anything remotely close to stability under temp changes. Still, if RL-22 is the preferred powder in the 6-284, which from what I have seen, its about as ideal as you can get, why would anyone look any farther then H-4831 for a more stable replacement powder. Going to H-1000 and Retumbo will only increase load density and reduce velocity potential. This is not a bad thing. Extreme velocity spreads are generally very good with these slower powders and accuracy is generally pretty darn good as well so not a big deal but you do give up velocity and you also have to watch for excessive carbon fouling which is always an issue when using a large capacity small bore chambering and its exaggerated when using powders on the Slow side of the recommended burn rate for a specific chambering. Just always suprised how H-4831 gets passed over all the time which is really to bad. Maybe its because of its old name and the newer powders get the go over it. Still, I think alot of you would be very happy with the results of this powder in the big 6mm if you like what you see from RL-22. Great velocity, small granular size, stable in temp changes and clean burning with good load densities. May want to give it a try. [/QUOTE]
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Fav powder for a 6-284 29" barrel
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