The HEADSPACE GAUGES by FORSTER PRODUCTS, INC. are essential for checking the chamber length of rifles, crucial for safety when chambering new barrels or buying used guns.
Specifically, the 5.56MM NATO COLT SPEC (1.4646") GO GAUGE is made to SAAMI specs and is slightly under 7.62 NATO NO-GO dimensions for safety checks.
The gauges are machined steel and are interchangeable between calibers that share the same Stock #, with a wide range of cartridges applicable for each gauge style.
Attributes
Cartridge:
5.56 mm NATO
Style:
Go Gauge
Delivery weight: 0.057kgShipping height: 25mmShipping width: 83mmShipping length: 146mm
UPC
: 757253992490