Photo is for reference only. The caliber in the item name will be shipped.
hese gauges are machined from top quality aluminium, and the pockets are finished using Clymer finishing reamers, the same which are used by top gunsmiths worldwide to cut the final dimensions on the barrel. The 20 pockets allow you to drop the rounds in a lot faster than into a single gauge, cutting your testing time down to less than half of the time!