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kcsteam
kcsteam
18 posts
Joined September 2012

case bulge near base

i have a a square deal not (b) older machine. 9mm case bulge near base not getting resized. is my tool spacer worn ??
dillon
Administrator
dillon
3,222 posts
Joined July 2007

RE: case bulge near base

This video explains how to test for this

https://www.youtube.com/watch?v=4Hs0cjmQ5v4
pjdubeck
pjdubeck
1 post
Joined September 2014

RE: case bulge near base

Is there an expected life for these plates? Seems like I replaced mine not too long ago and it is worn out already.
dillon
Administrator
dillon
3,222 posts
Joined July 2007

RE: case bulge near base

The lifespan varies, with a tapered case like a 9mm and large cases with a considerable surface area, such as a 45 Colt, wearing out sooner than a shorter straightwall case , such as a 38 Super, 45ACP. Usually they start to display detectable wear at about 35,000-40,000 cycles for the cases that cause more wear.