Operating Rod Specifications
Piston Diameter: .5260 to .5253 (under .5250 calls
for rejection)
Piston Thickness: .190 to .155
Tab/Lug Height: .320 to .317 (under .310 calls for rejection)
Tab/Lug
Thickness: .100 to .095
Tab/Lug Width: .265 to .235
Maximum Out of Roundness Specification = 0.00035
Tab/Lug Height: .320 to .317 (under .310 calls for rejection)
Tab/Lug Thickness:
.100 to .095
Tab/Lug Width: .265 to .235
Gas Cylinder
Gas Cylinder - Maximum Diameter Specification (main part of cyl.) = 0.530" (field reject @ 0.532")
Chamber
The SAAMI specification for .30-06 is:
Datum Diameter at Shoulder = 0.375"
2.0487"
Minimum headspace
2.0587" Maximum headspace
Forster gages, which Forster describes as:
Datum Diameter at Shoulder = 0.375"
2.049"
GO
2.055" NO-GO
2.058" FIELD
