5.56mm Nato Colt Spec (1.4646") Go Gauge
Model:
HG02231.4646-SP
Condition:
Factory New
Bud's Item Number:
718011527
UPC:
757253992490
MFG:
Forster
**Mouse over image above to zoom any area, or click on image to zoom the entire image.
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.