What Does 400 cci primers Mean?

I don't have faith in CCI four hundred's in an AR, but that is just personalized choice since I understand the cup is comfortable plenty of for use reliably in my CZ and Walther 9mm race guns.

The one time 450s, BR4s, 41s should require to be used is When you are pushing extreme pressures looking to chase some mil spec pie in the sky variety for velocity.  Also to be straightforward, most mil spec loads are garbage for accuracy, so why folks check out is past me.

I'm new And do not know something, but just curious In case you have tried using them yet again and/or have they improved since then?

Simply because the creedmoor is often a 308 family situation intially made all around a LRP, I lean toward usually employing a hotter primer if making use of SRP brass. Not stating you cant/wont do extremely well with a typical SRP but especially for hunting/cold temperature conditions, I would want far more spark.

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The data you've got is from 30 yrs back. Back again then cellular phones were not a thing, now They may be and do mad things the computer systems back again then couldn't even aspiration of.

In case you don’t mind running primers that happen to be 0.010” THINNER compared to primers Commonly used for that caliber, you can be wonderful until you start piercing primers, and torching firing pins and bolt faces.

I also outlined the velocities about the table above. You’ll Take note that the CCI two hundred and 400 have the best velocities for all masses. I’d attribute this into the modify in ambient temperature.

For those who don’t thoughts operating primers which have been 0.010” THINNER in comparison to the primers Usually employed for that caliber, you will end up fantastic until eventually You begin piercing primers, and 400 cci primers torching firing pins and bolt faces.

That’s a terrific problem, Ted. I’m unsure. Here's a few samples of what I’ve listened to in several destinations to the Federal 210 vs Federal 210M distinctions:

Gentleman oh man, brass arrived shinier than spit, all trimmed and deprimed. Primer pockets have to be swaged or reamed but the web site currently warned about that so wasn't surprising. Wonderful brass and prices! Can't be defeat. Will probably be shootin' my future purchase over shortly!

Switched to WSR and never ever had An cci 400 primers additional issue. Haven't utilized to quite a few while in the AR's as WSR have often carried out fantastic. I've utilised about 5K of them in 9mm although. They operate great for that.

In no way have pierced cci 400 primers one particular or experienced a slam hearth while but have only made use of a few thousand cci400s in my life span

Why would the all the opposite customers of my rifle staff who ended up acquiring a similar trouble with conventional compact rifle primers of assorted makes, and with other several masses?