Bisley Choke Gauge Identifier Keyring

Choose 12 or 20 Bore from the drop down menu above 

Ideal for checking a second hand shotgun 

Put it on your keyring or stick it in your choke tube box to identify chokes quickly

The 12 & 20 Choke Gauge from Bisley

Used for easily identifying the choke of your gun

Made from high quality brass and attached to a key ring for convenience 

Measures 1/4, 1/2, 3/4 to full choke size

Sizes: 12 & 20  bore

Not suitable for Over bored barrels

Note: this item is to check choke size and is not micrometer accurate