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Walther P38 Field Stripping Push  the safety catch (N) to safe position. Pull back the slide until the slide stop (KK) retains it. Remove the magazine. Revolve the barrel retaining latch (OO) until it stops. Release the slide stop and pull the slide and barrel assembly forward, off the receiver. Push in the exposed end of the locking block pin (TT) to separate the barrel from the slide. To check the firing pin (J) and the indicator pin (H), the cover must be removed. Hold the slide as shown to prevent the rear sight from falling out. Using a small screwdriver, push the indicator pin inside the slide and insert the blade as shown. A simultaneous push upward and forward will free cover (C) from slide. Remove automatic firing pin lock spring and lock (E and F), firing pin retainer pin (G), and indicator pin and spring (H and I). Safety catch must be  in fire position before pushing out firing pin. With safety catch between safe and fire, pry out with screwdriver, as shown. The first step in the disassembly of the trigger mechanism is to relieve the tension on the hammer. After removing the grips, hold the gun as shown. Push the magazine catch (CC) firmly against the edge of a solid bench. As soon as the pivot pin on the magazine catch is free of the frame, ease up on the pressure and remove the catch and hammer spring. The recoil spring (RR) may be easily removed with the aid of a small screwdriver. Insert the screwdriver blade about 6 to 8 coils from the front of the spring guide (SS). Compress the recoil spring as far as possible and remove the guide. Ease up on the spring pressure carefully to prevent the spring from flying out. The trigger bar (S) is retained by the pressure of the trigger spring (NN) on a small notch in the portion of the bar that engages in the trigger. Use a small screwdriver to hold the trigger  spring out of the notch as shown. Pry the trigger bar free with the other hand while the spring is held back.