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My ramblings are factors I've tried using or seasoned. You might or might not need to emulate them so read them with this in your mind.
Within the "thoroughly clean burning" difficulty …. almost all powders involve at least 15k psi to obtain a superior clean up burn up. A thoroughly clean burn off implies the powder is effective to the cartridge and bullet body weight nonetheless it won't generally necessarily mean it is easily the most exact load. While you are addressing cartridges which has a small SAAMI max tension which include 38 Distinctive (17k psi), forty four Particular (15.5k psi) or forty five Colt (14k psi) which were made for black powder, you're already within the very low conclude on the stress range ….
My calculated velocities ended up near to released data. For a lot of the cartridges I examined, W244 developed some of the greater velocities among the powders listed on Hodgdon’s Web site, and it did this with rather small cost weights.
You almost certainly are also tightly specifying (clicking a lot of range boxes) for your hull/primer/shot weight blend that Hodgdon did not examination with 244 powder.
reported: Even though I've a chronograph, I didn't use it for this operate simply because I had been in a community range and put in place is actually a PITA. I had that issue so I bought a Labradar. Expensive as hell but effectively worthwhile just for the simplicity of use. No putting together down array.
Observe I did not say "best velocity" since there are several times when significantly less velocity is much more appealing. Merely a slight transform during the powder's melt away level will make a noteworthy variance in performance.
The author identified all the primer flash holes had been considerably over sized, So expanding the stress. I'm not indicating which was the cause in Farmer's instance. Somewhat there are various things that can impact tension Moreover the powder demand by itself. In Farmer's instance, it could be many issues: as mentioned an more than dimensions flash hole, a unfastened primer pocket, a deep seated bullet (both at loading or from setback), or simply a variance in bullet weight, or case potential. Or a combination of multiple of the described objects. Wolfe publishing developed an interesting reserve titled Firearm Force Factors that offer intriguing looking at on The subject. My copy is dated 1990 and was up-to-date in 2006 but has considering the fact that been discontinued. It really is offered on Amazon but outrageously priced.
I don't know about the Winchester or S&B direct free primers currently being accessible, but Fiocchi direct free can be obtained.
I suppose that what I had been trying to figure out is if the released setting up velocities for these new powders was set on account of a physical limitation on the powder or if it absolutely was established by a legal professional.
As is accurate of all Winchester powders, W-244 is usually a double-foundation Ball powder. Its nitroglycerin written content is 37 %; its bulk density is .800 g/cc. An in depth have a look at the person granules exhibits them for being very irregular in form, check here denoting they are through the identical spouse and children of powders as Hodgdon’s Titegroup. Dimensionally, 95 % of these will have to go through a display of .0469 inch. Touted to be a “Winclean” solution in company literature, the powder is famous to be clear burning, to have exceptional metering characteristics and to include a decoppering agent.
If a handloader is looking for a flexible, clean up-burning handgun powder with outstanding metering traits , a decoppering agent along with a flash retardant, he may possibly want to present this new W244 a attempt. "
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Could possibly be worth a test however. No Skilled techs appear to have attempted it. You will find small hazard in gonna lighter payloads till you start finding weak or even squibby, or you can't get yourself a wad that fills up the stack.
From the .40 S&W with its comparatively little circumstance ability, I noticed the regularity alluded to before using an Intense velocity distribute of one fps. Teams at twenty five yards were not that compact but ended up really acceptable. The bullet applied was the Sierra one hundred eighty-grain hollowpoint.