What Does 400 cci primers Mean?
What Does 400 cci primers Mean?
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The only time 450s, BR4s, 41s really should need to have to be used is if you are pushing abnormal pressures wanting to chase some mil spec pie from the sky quantity for velocity. And also to be truthful, most mil spec masses are rubbish for precision, so why folks attempt is outside of me.
Regardless, I never ever chamber a spherical in any firearm without having owning the muzzle pointed in Protected route.
Quoted: Amen... I've analyzed BR4's vs 400s. Certainly no difference in my rifles. Ive examined incredibly warm hundreds compressed masses with 68-77gr bullets with 8208 XBR without any primer troubles with 400s, but ultimately, ideal accuracy came which has a lower powder demand so its a moot point.
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“This has become discussed numerous periods … What continues to be mentioned is Individuals with the Gold Medal designation have functions which have been vital for the primers regularity performed by by far the most seasoned and accurate staff
When you don’t thoughts functioning primers that happen to be 0.010” THINNER than the primers Usually useful for that caliber, you're going to be high-quality right until You begin piercing primers, and torching firing pins and bolt faces.
The data you have is from 30 many years back. Again then cellular phones were not a point, now They're and do outrageous stuff the desktops back then couldn't even aspiration of.
I have found a pair slam fires Which may are already prevented by thick navy primers. I won't use typical sm rifle primers within an AR.
That’s a great question, Ted. I’m undecided. Here is a few samples of what I’ve heard in various cci 400 primers destinations to the Federal 210 vs Federal 210M discrepancies:
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I have loaded tens of Many the load higher than and cci 400 have never experienced a slam fire and never had a pierced primer. If youre loading incredibly superior pressures you could run into concerns, but I hope you think cci 400 that each and every retailer utilizes CCI 41s.
But a thinner-cup primer is simpler for aged guns with weak hammer springs to ignite. Presumably if you are taking pictures an old gun with a weak hammer spring, You furthermore may recognize that loading it to sixty two,000 PSI is unwise.