Sinclair - Bump Gauge Insert Size:Standard Magnums (#25) 25° non-brass cores and threads Bore

non-brass cores and threads Bore Tech’s Proof-Positive Nylon Bore Brushes are not affected by copper removing cleaners and will eliminate blue patches and the false indication of copper fouling that is associated with traditional phosphor bronze brushes

Measuring mid case say 10

Ergonomically shaped handstop with ball head sling swivel

Primers are collect below in empty cavity

Sinclair - Bump Gauge Insert Size:Standard Magnums (#25) 25° non-brass cores and threads BoreSinclair 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