Alex Wheeler
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If this is true then why worry about neck tension?If the mass of the bullet requires more energy to start motion than the energy required to expand the neck, the bullet isn't moving first.
Only when the bullet is too long for the neckPressure can not be applied to the inside of the neck until the bullet has moved out of the way. So, first the bullet moves forward then as the neck is exposed it expands, beginning at the rear.
Because it changes the elasticity of the neck portion of the case(just as annealing). Smaller/tighter increases the energy required to start expansion. Just speculation on my part and basic physics.If this is true then why worry about neck tension?
This is where I'm at in my thinking now as well.If this is true then why worry about neck tension?
Been there done that.Everyone try this
Chamber a round with only a primer and no powder
See if your bullet leaves the case and sticks into the rifling
If so, then we know the primer going off alone spits the bullet out![]()
Yep it snaps forward into the lands and stays there.Been there done that.
Nothing happens beyond a click of the firing pin.
Correct, I used this method 40 years ago to learn where max jamb was on an old .243 that I had that would not shoot with any jump, but was a laser at jamb. Years later when I got my first Lyman bore scope I learned the lead in to the chamber was rough as a cob. I actually got the idea from a near disaster shooting reloads out of S&W 19, when I didnt notice any recoil on a rapid fire string about 3 shots in. Fortunatley I Had the presence of mind to check, rotated the cylinder open to see the wadcutter sticking out the back of the barrel.Yep it snaps forward into the lands and stays there.