federal gold medal 215m primers for Dummies
federal gold medal 215m primers for Dummies
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Laurie loaded .308 Win ammo* with sixteen LR primer types and after that examined for regular velocity, ES/SD, and group sizing. This can be essentially the most in depth and complete LR primer test ever finished. Allow me to share the primer styles analyzed:
Subsequent, Check out the firing pin dent inside your take a look at case. It's going to be rather deep. Yet again, in the event the primer is unseated and reseated during Stay fire, the dent will distort. Of course, extra force will flatten the dent but the amount of the dent is flattened will count much more around the hardness/thickness on the primer cup than chamber tension. So ... depend upon the outlined hundreds inside of a highly regarded reloading guide for instance a Speer or Hornady for chamber strain. They force test all their masses and in many cases their max loads are by no means larger than SAAMI specs ... in reality, they are typically pretty conservative.
I chose to mixture the load information shown on 6mmBR.com for a variety of cartridges, to view how over and over Each and every style of primer was referenced. I selected 6mmBR.com, for just a couple of explanations:
From my comprehending, It truly is much more a make a difference that there is no way for the companies to check every single probable blend of scenario, primer, powder and bullet. It's just the things they used to take a look at that specific cartridge of their reloading handbook.
I am going to give the Federals a try out as I do not load close to max anyhow. I like to help keep my masses in the middle. So long as I'm able to shoot good teams and place holes inside the paper I am joyful, additionally I do think It is really considerably less nerve-racking with your firearm plus much more pleasant to shoot.
Pierce tested a bunch of primers with unique powders and recorded the outcome that he referred to as combined. Option of powder and primer combos.
I agfree with Colorado4QWheel. I are already loading on my 550 because 1994 and that includes various thousand CCI primers. I have not experienced a challenge with them not going in straightforward. I've talked While using the Dillon individuals persistently, but never ever about primer difficulties, due to the fact I hardly ever experienced any, so Never know if their impression remains the same as noted higher than.
Protection glasses will reduce any significant injuries to your person. Other brand names detonate with these kinds of pressure that it turns the tool into shrapnel.
I have experienced fantastic results With all the Wolf primers, not one misfire and really good normal deviation velocity quantities taking pictures above my Chrony.
A handy graph offered in the above referenced article is the connection between peak blast pressures and primer full mass.
The leading problem that remains for me is how the primers final results may possibly vary involving various cartridges, bullet weights, and powder masses. It has often been my perception that very low ES/SD correspond to optimized combustion; that may be to mention if the primer, cartridge quantity (tension cell), powder charge, had been all optimized to give exceptional combustion to get a presented bullet weight. It really is outside federal benchrest primers of dilemma that switching primers can typically strengthen (reduced) ES/SD by using a offered load.
Lee isn't going to recomend working with federal primers in his hand protection primer seater since he statements they could explode. I have not experienced 1 go off.
"Lee spends quite a few hrs on the telephone and A huge number of bucks adversising and advising buyers that the only Harmless primers to employ with Le tray primer feeders are CCI or Winchester brand.
Notwithstanding the surge in need from mil/le, factories blowing up, paranoia that progressives will consider above the world, everything stuff also.