MagPro is a spherical powder, which might support out in All those cartridges which have minimal circumstance ability, specially when utilizing the extended copper bullets. It will require up fewer home in the situation and avoids the in excess of-compression That may or else break the extruded powder’s grain construction; damaged grains of powder could have another burn off amount and will drastically have an affect on velocities, pressures and accuracy.
A toaster oven set to one hundred forty°F elevated the temperature in the loaded magazines— Every single Outfitted by using a temperature probe. The Publications have been monitored right up until the temperature stabilized at one hundred forty°F.
You mention "very best precision", There are many of variables that arrive into play attempting to obtain that purpose so Never get trapped on SD.
I loaded up a box of .three hundred Savage for Craig Boddington when he took a classic Design ninety nine pig hunting in California — in which direct Main projectiles are forbidden by regulation — and he neatly rolled a good-sized boar having a 165-grain Hornady GMX.
Incidentally, re: the fifty-gr TNT load results thorough above, I took a closer look at the fired situations, and even at 27.8 grains (max load tested to date While using the moly bullets) I am nonetheless receiving slight primer setback of about .
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TAC is a double-base spherical propellant that sets the common for Extraordinary accuracy and reliability with weighty bullets during the 223 Remington and match applications in 308 Winchester.
T.s but experienced 750 moly coated kinds purchased way back, so I switched to moly. And when I had been about to shoot ANY moly During this gun, I needed to shoot ALL moly, so I moly tumbled Ramshot TAC my simple fifty-gr TNTs.
This doesn’t necessarily mean velocity fluctuations because of temperature are an aged wives’ tale. Instead, it implies technology has really progressed and brands are executing an excellent job at producing temperature-steady powder.
If This is often brought on by the result of moly decreasing ramshot tac load data combustion fuel temperature, that would be nice to find out, but that could not counsel a harmful problem, would it not? (Except if another person took this load and blithely reverted to the simple copper bullet in addition to it, assuming it had been a safe substitution.)
It's a tad challenging to get the flat conclude of your caliper beam to rest about the stamped circumstance head with out rocking, so I recommend utilizing a depth measurement attachment to help make that less difficult. You can also have the ability to measure how much underneath flush a seated primer is applying this set up.
Speer's reloading guide states that primer setback is brought on by certainly one of two issues - excess headspace, or too light-weight a load. Due to the fact I am utilizing cases fired quite a few periods, and only ever neck sized, and bolt closure is firm (indicating shoulder definitely could use placing back a tad) I'm sure headspace just isn't an issue. (BTW rifle is a stock Rem seven-hundred VS.)
I do not know that may get the job done greatest to suit your needs. Primer formulations have improved as time passes, so the most effective suggestions is to check what you can find your palms on now. Try out ten Each individual with all of your seating depth ranges and Ramshot TAC compare SDs.
Get quite possibly the most accurate load by only shifting the powder cost, then mess with seating depth, then it's possible primers or what ever else you wish to fiddle with.