Sinclair Chamber Length Gauge 22 Calibre Bullet Calibre_31 Calibre/7.62 x 39 4 Pronounced Boat Tail Design

4 Pronounced Boat Tail Design

This unique product seals the chamber and bore to prevent solvents and oils from running back into the action when the rifle is left in an upright position

550 Sectional Density 0

192 Sectional Density 0

Sinclair Chamber Length Gauge 22 Calibre Bullet Calibre_31 Calibre/7.62 x 39 4 Pronounced Boat Tail DesignThe Sinclair Chamber Length Gauges are designed so the handloader can determine the true length of his rifle's chamber when measuring from the bolt face to the end of the chamber's neck. This measurement will tell you how much excess case length your chamber may have over published trim lengths in reloading handbooks. The Sinclair Gauges are inserted into a fired, unprimed shortened case and then chambered into your rifle. The insert pushes back into