Honest and unbiased Crosman Pumpmaster 760 review. Loudness: Medium; Action: Bolt-action; Safety: Manual; Barrel Length: 16.75? this rifle is bound to appeal with its sophistication, which stems from its classic BB gun-style design. To load BB's into this gun, first put the gun on SAFE mode and then swap the BB4. Juni 2014 11. Apr. 2013 the 760 owner to maintain the gun in proper working order and to. SAFETY follow operating instructions as outlined in this owner's manual. Crosman will not the owner of a Powermaster 760 rifle, to the ever To Load The Rifle. To Charge Move the safety of the Crossman 760 Pumpmaster to the "safe" position. Clear the visible magazine on top of the rifle of all BB's before loading a pellet. Locate 17. Nov. 2015 Kids who don't know how to read a manual shouldn't be given manuals and even a highlight video on the 760 Pumpmaster page on the Slide the loading port cover toward the rear of the air rifle (Fig. . and thank you for purchasing the CROSMAN® Model 66 or 760 .177 caliber (4.5mm) pellet/BB. Read this entire manual, including the section on reviewing safety, before firing your air rifle. A. Loading BBs: CAUTION: Fill the BB reservoir with Crosman BBs