BSA R-10 MK2 Features Pre-charged pneumatic Bolt-action Aluminum 11mm dovetail grooves (no open sights) Rifled steel hammer-forged barrel (free-floated) Self-actuating magazine Built-in manometer Fully regulated valve 232 bar (3,365 psi) Up to 50 shots per fill in .177, up to 45 shots per fill in .22 and .25 2-stage adjustable match trigger Fully shrouded barrel Adjustable rubber buttpad Walnut stock with right handed Monte Carlo comb Checkered grip & forearm Sling swivel studs Includes a magazine, lube and a fill adapter