Chambering Gage (Badger Ordnance)
This is a fast and easy way to measure headspace on Remington Style barrels. That means barrels with a shoulder. Threaded area (tenon) diameter must be less than 1.060″. Length of the barrel tenon from the shoulder to the back of the headspace Gauge is limited to approximately 1.00″ or less. Instructions include with this rental.