Forster Headspace Gauges Go 284 Win U.S.A. & Canada
(Indicative price - actual current price possibly lower)
The only way to accurately measure and test the length of the chamber of the rifle. Essential when chambering a new barrel to ensure a tight accurate safe chamber. Whenever you buy a used gun always check the headspace before firing. Forster gauges are made to saami specs. 100-010-715 - this gauge is .0005 inch (5/10 000 inch) under 7.62 nato...