11 Separate Gauges For Checking Chambers
Headspace gauges in .001" increments from 1.4636" to 1.4736" cover everything from Go to Field, including No-Go. Checks both .223 Remington commercial chambers and 5.56mm NATO chambers. Hardened steel, precision ground to SAAMI’s ANSI tolerances. Includes polypropylene storage case.
AR-15, Issue:09, Page:080
Big Book Catalog, Issue:66, Page:078
Big Book Catalog, Issue:66, Page:478
New Product Supplement, Issue:641, Page:018
SPECS: Hardened steel. 11 gauges in .001" increments from 1.4636" to 1.4736". For 223/5.56mm NATO only.