Hammerli AP20 air pistol Precharged pneumatic (PCP) Single-shot Bolt-action (can be moved for right- or left-handed shooters) Rifled steel Hammerli match barrel Removable PRO-line aluminum air reservoir Reservoir mounts vertically or horizontally to change center of gravity 200 bar (approx. 3,000 psi) max fill Max 120 shots per fill Post front sight adjustable for width (4mm, 4.5mm and 4.9mm) Fully adjustable rear sight: windage, elevation, width (3-6mm) and placement on breech Distance between front and rear sights is adjustable from 365mm to 375mm All-in-one grip has switchable, removable palm shelf and thumbrest for right- or left-handed shooters Polymer grip can be configured for 3 sizes: small, medium and large 2-stage adjustable match trigger and adjustable trigger blade Factory-set trigger-pull is 500 grams No safety Dry-fire capability Includes DIN fill adapter, separate pressure gauge (manometer), safety cord, Allen wrenches, triggerguard, 6 total barrel jackets (black, orange, blue, silver, green and pink), plastic pistol case and owner's manual