During the 1970s, the U.S. Naval Ordinance Station at Indian Head decided that once the anvil toes had touched the primer pocket flooring, the primer cup need to be pushed in an additional 0.003", compressing the priming mix with the anvil (identified as reconsolidation with the primer). This was to attain utmost ignition dependability and is probably going around what Dan Hackett was executing. Nevertheless, there have also been some checks by extremely rated competitive shooters that you can find on YouTube that display just barely touching the anvil ft on the primer pocket flooring creates reduced standard deviations than reconsolidation, and that hardly-touching technique would be the apply Creighton Audette and many benchrest shooters followed at one particular time.
Excellent powder. Meters very perfectly through a Lee autodrum +/- .one gr. And a bit tinkering will get you proper on The cash demand right after demand. Love the scent of these things at the selection. Consistent impacts implies regular speeds, but I actually need to secure a chrono one among lately to confirm.
~ Clear the barrel, maintain a notebook detailing standard deviation and accuracy. Try out to match barrel fouling with SD, This may assistance establish when to scrub.
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What I've accomplished about the above is to both swage or ream circumstance primer pockets to reduce the tightness from the healthy. The reaming tools for the L.E. Wilson circumstance trimmer are specially successful, but you'll need their trimmer and circumstance holders to utilize ramshot tac load data it, and It isn't a fingertip-don-friendly Device, so mass production with it isn't from the playing cards.
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Differing a great deal of powder could conveniently account for this kind of variance. Also, you will find slight variances in bullet duration, seating depth and bearing area concerning these two bullets. This is able to introduce some variables.
I haven't Individually seasoned any troubles with bore cleaning or moly buildup in barrels right after shooting lots of moly bullets in rifles chambered for 222 Rem, 6mm Rem, and 250 Ackley.
I'm not looking for an accuracy load recommendation, I'm inquiring with regards to the curious reappearance of primer setback when switching into a moly coated bullet.
I’m speaking about Ramshot, Exact, Norma and Vihtavouri powders. Whilst generally neglected, they've got quite a bit to supply the handloader, And that i’ve tac ramshot relied on them for some wonderful functionality.
"There may be some discussion about how deeply primers really should be seated. I don’t fake to have every one of the responses concerning this, but I've experimented with seating primers to diverse depths and looking at what transpires around the chronograph and concentrate on paper, and to this point I’ve acquired my greatest effects seating them tricky, pushing them in past The purpose wherever the anvil might be felt hitting the bottom in the pocket.
Speer's reloading manual says that primer setback is because of considered one of two factors - excess headspace, or way too light a load. Considering the fact that I am working with circumstances fired quite a few instances, and only at any time neck sized, and bolt closure is firm (indicating shoulder seriously could use setting back again a tad) I know headspace isn't a problem. (BTW rifle is often a inventory Rem 700 VS.)
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