Bisley Brass Choke Gauge 20G under-10 They're built one-size-fits-most

They're built one-size-fits-most

The lights are worked one-handed through a concealed switch set into the peak

and keeping a second battery on rotation means one is always topped up while the other is in use

Supplied in a box of 50

Bisley Brass Choke Gauge 20G under-10 They're built one-size-fits-mostBisley's brass choke gauge for 20 gauge shotguns is a simple, pocket sized tool for checking the amount of choke in a fixed choke barrel. Push the tapered brass gauge into the muzzle until a segment sits flush with the bore, then read off the choke size from the marked scale, which covers Improved Cylinder, Quarter, Half, Three Quarter and Full choke. It's especially useful when buying a secondhand gun, since the choke stamp on the barrel doesn't