In Model 511, unscrew magazine lock screw (B), and remove magazine lock and spacer (C). Then, push assembly forward and remove sear first through bottom of receiver. Push trigger assembly (32) upward into receiver. In Model 512, remove cartridge stop (EE), carrier (FF), carrier spacer bushing (GG), and carrier tension spring (HH).ĥ Drive out trigger pin (35). In Model 510, remove sear spacing collar (28). Remove safety (23), trigger spring plunger (37), and spring (36) from receiver. Unscrew safety screw (26) and safety lever (25). In Model 511, press magazine lock (A) rearward and remove magazine before removing barrel and action. In all three models, firing mechanism will uncock if safety lever is forward and bolt handle is lowered while pulling trigger.Ĥ Loosen takedown screw (30) and remove barrel and action from stock (29). If not, reach into receiver opening with small tool and press downward on rear of stop. Push bolt assembly forward, and lower bolt handle.Ģ When replacing Model 512 bolt assembly, cartridge stop (EE) must be in upward position. Release trigger and turn safety lever rearward. In the Model 510, forward motion of bolt will be stopped by safety (23). With safety lever forward, hold trigger rearward, and slide bolt assembly into rifle. If mechanism is uncocked, cock it by pushing bolt into receiver (20) as far as possible, and lifting bolt handle. This is indicated by red band on safety indicator (24) protruding from rear of bolt sleeve (4). When replacing bolt assembly, firing mechanism must be cocked. Lift bolt handle (3), push safety lever (25) forward, pull trigger, and withdraw bolt assembly from rifle. Remington Nylon 11 rifle.ġ Before starting to disassemble rifle, unload it.

Schematic remington sportsman 78