sholderbump measuring

made my own topped with a 0.001 mm dail comperator
set it to 0 with a fired case resized it till my bolt closes wiht a min effort
now i got a sholderbump measuring of - 0.009 mm (- 0.00035 in)

(note : the dail in the pic was not on 0 when i took the pic and is
with an other case before sizing, before someone say the dail must be on 91 to give you 0.009mm bump lol


just another toy

tool.jpg
 
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made my own topped with a 0.001 mm dail comperator
set it to 0 with a fired case resized it till my bolt closes wiht a min effort
now i got a sholderbump measuring of - 0.009 mm (- 0.00035 in)
I couldn't begin to notice any difference in bolt closure at that measurement.
 
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