Bisley Brass Choke Gauge 20G under-10 Dimensions are 122 cm (48")

Dimensions are 122 cm (48") in length by 28 cm (11") wide

understated enough not to interfere with a clean look

They're built one-size-fits-most

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

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

Bisley Brass Choke Gauge 20G under-10 Dimensions are 122 cm (48")Bisley'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