The Basic Principles Of cci 400 primers

The Basic Principles Of cci 400 primers

Blog Article

How Rounds Were Loaded: Every single load was weighed to at least one (1) kernel of powder. So I know that’s pretty much as good as I'm able to weigh them. Every bullet seating power was within 1# on my twenty first Century hydraulic arbor press.

I decided to combination the load facts listed on 6mmBR.com for several cartridges, to discover how often times Just about every variety of primer was referenced. I chose 6mmBR.com, for a number of causes:

Match primers ars supposed to be designed to tighter tolerances. That includes the level of compound during the cup. So the quantity of what ever a fired primer creates the match primers really should be extra consistent. So Except you propose on applying them inside a match rifle I would say go on and use the BR4's. Just as a aspect Notice. I did a aspect by aspect load function up making use of CCI-400 and CCI-450s. From begin to most you may look at the fired primers below magnification and could not notify just one from An additional. This was from the 20" A3 PSA upper. Motor

Quoted: Amen... I have examined BR4's vs 400s.  Absolutely no distinction in my rifles.  Ive examined really hot masses compressed masses with 68-77gr bullets with 8208 XBR with no primer concerns with 400s, but eventually, most effective precision arrived using a lessen powder demand so its a moot stage.

I principally use 450s because I also load Grendel and don’t like preserving primers of a dozen flavors.

I would say check out them, start minimal and operate your way up. 400 cci primers if You begin to note any cratering of the primer, prevent!

I am happy to listen to that, Despite the fact that I continue to have 5k cci four hundred still left since I stocked up just before the craziness.

I also outlined the velocities to the table higher than. You’ll Notice which the CCI two hundred and four hundred have the highest velocities for all hundreds. I’d cci 400 primers attribute this to your improve in ambient temperature.

By subscribing you agree to our privateness policy and would be the first to understand about promotions, special offers and item releases.

I have Formerly 400 cci primers carried out study on primers and there was some unfavorable feedback over the #400 primers with regard to slam fire. But all the article have been dated about ten years or so.

I am happy to listen to that, While I nevertheless have 5k cci four hundred left simply because I stocked up just ahead of the craziness.

Looking at regular deviation, I don’t see a clear winner. It does seem like the 40.eight grain load has the lowest average SD amongst the loads.

and consequently That is what I stocked up on. That getting said 400s will probably be just fine to suit your needs and you'll spend less alongside how. When I start off managing low on 41s I will most likely be switching more than

Why would the all one other users of my rifle crew who were being acquiring precisely the same difficulty with conventional modest rifle primers of assorted makes, and with other a variety of loads?