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How can IMR Focus on be considered a focus on grade powder by using a starting off velocity of 900 fps! When you noted over, most concentrate on quality hundreds generate velocities below 800 fps. As I initially said, I are already seeking to like Get 244 even so the velocities are just also significant for the revealed minimal velocities.
Around the "clean up burning" problem …. nearly all powders call for at least 15k psi to acquire a fantastic cleanse burn up. A cleanse burn up signifies the powder is efficient for that cartridge and bullet fat but it really would not usually indicate it is easily the most correct load. If you find yourself managing cartridges having a minimal SAAMI max tension such as 38 Specific (17k psi), 44 Distinctive (fifteen.5k psi) or 45 Colt (14k psi) which were made for black powder, you might be already within the minimal conclude with the strain array ….
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Study the difference between revolvers and semi-vehicle pistols and what would make them distinct. Learn more below:
Probably the most telling indicator tend to be the scratches that appear so obvious over the primer in the purple circumstance but are much less unique to the blue circumstance. That's a result of the excess pressure pushing the primer back more difficult in opposition to the breech facial area and so transferring the scratches that appear around the breech confront additional Evidently.
My ramblings are factors I have attempted or knowledgeable. You may or may not would like to emulate them so go through them using this in your mind.
The writer established the many primer flash holes ended up considerably above sized, Consequently expanding the tension. website I am not declaring which was the lead to in Farmer's example. Alternatively there are many things which can influence force Apart from the powder demand by itself. In Farmer's illustration, it may be a number of items: as mentioned an above sizing flash hole, a free primer pocket, a deep seated bullet (both at loading or from setback), or even a variance in bullet pounds, or situation ability. Or a mix of more than one with the talked about goods. Wolfe publishing created an interesting e book titled Firearm Pressure Variables that deliver intriguing examining on the topic. My copy is dated 1990 and was up to date in 2006 but has due to the fact been discontinued. It is obtainable on Amazon but outrageously priced.
They appear like gouges to me. Were being there every other primers that seemed this way? Did you chrono the hundreds? I also discovered an report about 244.
I suppose that what I used to be seeking to determine is whether the printed commencing velocities for these new powders was set resulting from a Actual physical limitation of your powder or if it was established by a legal professional.
As is accurate of all Winchester powders, W-244 can be a double-foundation Ball powder. Its nitroglycerin content is 37 %; its bulk density is .800 g/cc. An in depth check out the person granules shows them for being rather irregular in condition, denoting they are from your very same spouse and children of powders as Hodgdon’s Titegroup. Dimensionally, ninety five percent of them should pass through a display of .0469 inch. Touted like a “Winclean” product or service in enterprise literature, the powder is pointed out to be thoroughly clean burning, to get exceptional metering traits and to include a decoppering agent.
If a handloader is looking for a versatile, clear-burning handgun powder with fantastic metering qualities , a decoppering agent plus a flash retardant, he could want to give this new W244 a attempt. "
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Could possibly be really worth a consider nevertheless. No Expert techs seem to have tried out it. There's tiny possibility in going to lighter payloads until finally you start finding weak or simply squibby, or you can't obtain a wad that fills up the stack.
Individually, I stay with powders that have a longtime background and plenty of load data from many alternative resources. W-231 is an ideal illustration of this While W-244 is too new to look in any of my reloading manuals.