Sinclair - Bump Gauge Insert Size:Standard Magnums (#25) 25° Ergonomically shaped handstop with ball

Ergonomically shaped handstop with ball head sling swivel

bullets are technologically advanced

Measuring mid case say 10

Its non-crimping style provides accuracy

Sinclair - Bump Gauge Insert Size:Standard Magnums (#25) 25° Ergonomically shaped handstop with ballSinclair Bump Gage Inserts are used to measure the amount of case shoulder bump when setting up full length sizing dies. Rather than measuring to the datum line, these gages indicate off of the shoulder of the case to get a better, more easily assessable measurement of how much you are actually sizing your cases They can install in either of the Sinclair comparator body (XL) or Hornady Body and are machined to fit particular shoulder angles of