I attempted them but there CCI 250LRM primers worked much better in my rifle as well as mags are better up listed here do to searching at -forty temps

SCAMMER Sep 22, 2019 #four Keep in mind that primer cup hardness isn't the only doable challenge. When there is far too much slop across the firing pin inside the bolt confront you may incredibly easily get primer cratering That could be a Wrong positive for tension signs.

CCI Primers are consistently examined and improved. Consequently, currently’s CCI primers tend to be more sensitive, simpler to seat, and much more appropriate with progressive and automated loading tools than in the past just before.

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CCI BR2 kann male nehmen , kostet deutlich mehr aber wenn es der Gewissensberuhigung dient, dann nur zu.

Moreover the "B" around the primer and more care taken when manufacturing them they must be equivalent? Also Based on cci's website they state the cups are tougher and do the job great in semi-autos (comparable to #34's).

This might be as a result of a unique situation also. Do you employ a flashhole deburring Device and open up up the flash hole far too much allowing more force again into your primer cup area? Not a large variance however it does create a difference depending on the case and how big you make the flash gap.

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Just Various other points to take into account rather then only switching primers until the cratering goes away.

IMHO I feel you can probably see 35 fps variance when you ran the exact same load yet again with regular primers. If you are awkward, load 5 standard primed cases, demand, seat bullet and shoot them 1st and see the way it goes...

cci 200 large rifle Primers are continuously examined and enhanced. Therefore currently’s CCI primer are more delicate, easier to seat and a lot more appropriate with progressive and automated loading tools than previously prior to. They make the most of contemporary non-corrosive and non-mercuric initiator mixes with the cleanest burn doable.

This may be as a result of a different situation also. Do you use a flashhole deburring Software and open up the flash gap too much allowing much more pressure back again in the primer cup space? Not a giant difference zündhütchen 209 nevertheless it does generate a distinction according to the scenario And the way significant you make the flash hole.

I wouldn't fret in excess of the primer mix. There's not that Significantly pressure difference between a Magnum primer and Common. I have attempted interchanging via a load progress. Pointed out the magnum primers are approximately often essential for powder rates around 50gr to maintain the shot to shot deviation underneath 20fps.