John Mccoy
New member
Originally Posted By: blingslingerOriginally Posted By: ackleyman
I read pressure signs on shot shells just like a rifle cartridge. Watch the depth of the lettering, watch the thickness of the rim. When you start to see the thickness of the rim increase, It is real obvious when you are into high pressures. Often, a high base will crack. I have had the Rim crack all the way around from multiple firings of high pressure loads. Primers will fall out of the hulls also. Some primers are larger in dia than others, be aware of this if you are scrounging for shot shell primers.
ackleyman, not trying to shoot you down, because it seems you have done your share of metallic loading and load workup. However, if you read pressure signs on shotshells, as you do on metallic loading, you are swimming in very dangerous territory. They are two completely different animals, and nothing alike when loading. If you can see any pressure signs in a shotshell load, you are well above SAAMI Max safe pressures already.
Its a known fact that shotshells don't show pressure signs like metallic cartridges do, and they can't be worked up in the same manner.
I agree. If you see those signs in a shotshell you are already in too deep.
I read pressure signs on shot shells just like a rifle cartridge. Watch the depth of the lettering, watch the thickness of the rim. When you start to see the thickness of the rim increase, It is real obvious when you are into high pressures. Often, a high base will crack. I have had the Rim crack all the way around from multiple firings of high pressure loads. Primers will fall out of the hulls also. Some primers are larger in dia than others, be aware of this if you are scrounging for shot shell primers.
ackleyman, not trying to shoot you down, because it seems you have done your share of metallic loading and load workup. However, if you read pressure signs on shotshells, as you do on metallic loading, you are swimming in very dangerous territory. They are two completely different animals, and nothing alike when loading. If you can see any pressure signs in a shotshell load, you are well above SAAMI Max safe pressures already.
Its a known fact that shotshells don't show pressure signs like metallic cartridges do, and they can't be worked up in the same manner.
I agree. If you see those signs in a shotshell you are already in too deep.