Top Guidelines Of cci 400 primers

To deal with this, I decided that I might take a look at five distinct charges of the identical powder, H4350, Together with the similar bullet (142 SMK). I loaded 10 rounds of each and every load in each type of brass and fired two five-shot groups at 100 yards with a Rite inside the Rain Storm Sight Goal. I made use of a MagnetoSpeed V3 Barrel Mounted Ballistic Chronograph to collect details for each ten shot sequence. The circumstances utilised In this particular spherical of tests are 2XF.

I chose to combination the load details shown on 6mmBR.com for different cartridges, to find out how over and over Just about every variety of primer was referenced. I chose 6mmBR.com, for a handful of factors:

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There weren’t ample loads on 6mmBR.com referencing large rifle magnum primers to deliver an enough sample sizing to get a comparison. However, here are some with the magnum primers generally utilized for match quality ammo (no specific purchase):

All of it is determined by the cartridge, powder becoming sparked and so forth but I routinely find utilizing a 210 or simply a BR2 creates way tighter figures than the usual mag primers even in 70+ grain cartridges. I have fired A huge number of rounds loaded with non-mag primers I have nonetheless to have a single hangfire.

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A lot of published military services velocities have been fired from 24" examination barrels and have cci 400 primers no true benefit when developing hundreds in shorter tubes. Chronograph your retailer purchased M193 or M855 from "your" barrel and think about that a optimum Doing work velocity being aware of you may not safely attain it. 450's BR4's 400 cci primers and #forty one are all tricky primers Along with the 450's being an incredible value.

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Quoted: Amen... I have examined BR4's vs 400s.  Absolutely no variance in my rifles.  Ive examined very incredibly hot hundreds compressed masses with 68-77gr bullets with 8208 XBR with no primer difficulties with 400s, but eventually, finest accuracy arrived which has a lower powder charge so its a moot position.

Quoted: No way I would shoot warmish hundreds with 400's, I don't will need the pierced primers taking in away at my firing pins, and they'll. Unless of course you load em down a little.

I am intending to consider it out at reduce than 50k psi masses. I'm sure some of you've got done larger loads than that, but I need to acquire precaution, simply a desire in my behalf, I’m still trying to find primers either magnum or nato spec primers.

I've loaded tens of A huge number of the load previously mentioned and have never experienced a slam fireplace and under no circumstances had a pierced primer. If youre loading incredibly higher pressures you may run into challenges, but I hope you believe every single retailer makes use of CCI 41s.

But thoughts you, Sam did not explain to us what primer to implement - or if he did, it didn't sign up with me at some time. I don't know what primer Sam utilized to acquire the hundreds. Sam experienced entry to a great deal of cci 400 navy materiel. 1 could possibly surmise that Sam was employing some sort of "army" primer way again then. Probably pull-down Lake Metropolis. But I actually Never know for sure.