The Definitive Guide to cci 400 primers
The Definitive Guide to cci 400 primers
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It is odd you and your close friends had been receiving pierced primers without having other strain indicators. These look like unfired primers which has a hole punched in them. I have never seen everything like that.
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I'm nicely mindful, but am considering the technical element of how the primer provides a unique POI
Quoted: Amen... I have tested BR4's vs 400s. Absolutely no variance in my rifles. Ive examined quite very hot hundreds compressed loads with sixty eight-77gr bullets with 8208 XBR without having primer difficulties with 400s, but in the long run, best precision arrived which has a reduced powder charge so its a moot point.
There weren’t more than enough masses on 6mmBR.com referencing big rifle magnum primers to offer an satisfactory sample size for your comparison. Even so, here are some in the magnum primers commonly employed for match grade ammo (no individual get):
Chronograph knowledge with the magnum primers was indistinguishable from your chronograph facts Along with the four hundred's.
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Why would the all the opposite members of my rifle staff who were possessing exactly the same difficulty with common smaller rifle primers of varied models, and with other various masses?
Frankly, I do not Imagine any of us even cci 400 experienced pcs apart from probably a couple of guys with the INTEL 486 for phrase-processing and actively playing "DOOM" after we discovered CCI 400's have been unsuitable back again cci 400 primers while in the mid-ninety's. We weren't obtaining our load information from Quickload. We had been making use of masses advised by Sam Dayton - the gunsmith who assembled most of the rifles utilized by the team.
I have previously finished investigate on primers and there was some detrimental responses about the #400 primers in regards to slam fireplace. But the many put up have been dated about a decade or so.
This was unsatisfactory for My Looking utilization of that bullet. I'm now employing the rest of the BR4's for plinking/nearer array follow. The group sizing was a similar. Not surprisingly, for deer sizing animals if capturing for your lungs, it probably would've been OK, but not for me.
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Never ever have pierced 1 or experienced a slam fire while but have only utilised about a thousand cci400s in my life time
But a thinner-cup primer is easier for outdated guns with weak hammer springs 400 cci primers to ignite. Presumably if you are capturing an aged gun having a weak hammer spring, You furthermore mght understand that loading it to 62,000 PSI is unwise.