Bisley External Pressure Gauge 200 BAR for AP20 brand_-Harris while the recessed door design

while the recessed door design with multiple folds provides additional resistance to attack

giving front and rear armour compartments (plates not included) without the bulk of a full-cut rig

with the intensity set by a single knob on the side of the tube that is easy to find by feel or while wearing gloves

It is made from strong steel with a hammered finish to stand up to repeated hits

Each ring fits an 11mm dovetail rail and is secured with a single top screw

Bisley External Pressure Gauge 200 BAR for AP20 brand_-Harris while the recessed door designThis is the genuine external pressure gauge for the Hammerli AP20 match air pistol, supplied by Bisley and rated to 200 bar. The AP20 runs from its own onboard compressed air cylinder, and this gauge is the spare replacement part that lets you read the cylinder's fill pressure at a glance without guesswork. It's a straightforward, no frills component: fit it in place of a worn or damaged original gauge and you're back to accurate pressure readings