Basically, looking to guess chamber pressure by considering the primers is like looking to guess how deep a lake is by sticking your toe in the water.

Include to estimate Only display this person #1 · Jan four, 2011 When reloading manuals specify particular brands of primers, can A further producer's primer of precisely the same variety be made use of? Quite simply, is it possible to substitute distinctive manufacturers with primers as you can with instances?

... that's assuming you are comparing Standard primers to plain primers or Magnum primers to Magnum primers ... not Magnum primers to Standard primers. There's an exception with handgun hundreds that use large pistol primers ... WLPs produce about fifteen% a lot more flash than other models of normal large pistol primes and about ten% a lot less flash than other makes of Magnum pistol primers.

Which was the one firearm I ever experienced that challenge with. In assortment taking pictures, my buddy could load the overlook fired rounds into his 380 and Each one fired. Traded it off.

Insert to quotation Only display this person #nine · Jan four, 2011 You don't want to work with standard primers when magnum primers are termed for in the manuals. If the handbook designates the usage of magnum primers, utilizing an everyday primer might not give responsible ignition on the powder, Consequently creating some key problems.

Medium and slow burning powders have adequate celluloid and deterrent coatings where by they are going to continue being a "propellant" even with magnum primers. Quickly burning powders have little or no deterrent added so If they're subjected to a magnum primer, they might alter from a propellant to an explosive.

A long time back, After i 1st begun applying my Dillon RL550B, I had been having a difficulty seating CCI primers in .forty five acp conditions.

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Increase to quotation Only demonstrate this person #11 · Jan four, 2011 I do some reloading and have federal 215 primers 100 count been in the position to stick to CCI primers but I do not think for the normal guy there's ample distinction between brand names of the exact same primer configuration (IE: small pistol) for making A great deal big difference. The fellows who're Performing up a super accurate load, certainly, won't let these things.

As far as shops go, they presently experienced razor thin margins on guns and ammo, and doubtless acquired existing stock at greater charges than they'd have appreciated.

They often go bang for me and feel steady. I've only used their small pistol primers. I've made use of a good quantity of CCIs in addition, and although They can be good, I continue to favor the Feds.

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so do as you think very best. In case you are firing the M1 Garand I might counsel applying "army" primers as They may be ideal for that firearm.

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