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Sauer M30 Field Stripping   Slide cap and trigger details of Model 1930 (1) and Behorden Model pistols. Trigger safety of Behorden Model pistol extends from face of trigger. Cartridge signal pin protrudes from upper hole in slide cap of Behorden Model pistol when cartridge is in chamber. To disassemble Model 1930 pistol, first remove magazine and be certain chamber is unloaded. Pull back slide (1) about an inch until safety catch (29) engages slide. Depress rear sight and unscrew slide cap (4)  from slide. Remove breech-block assembly (7). Then release safety and ease slide off front of frame. Safety catch should be removed before disassembling  gun internally. First remove grips, then rotate safety catch 180 degrees until hinge pin portion is clear of undercut in frame. Do not let safety catch detent pin (27) and detent spring (28) fly out when safety catch is withdrawn. To replace, depress the safety catch detent pin with thin piece of brass and push into frame. The pins in the Model 1930 Sauer pistol are tapered and should be removed from right to left. In reassembly, install mainspring cap (18) last. hold pistol in padded vise jaws and push in magazine catch. Use a thin punch to hold and align magazine catch pin (20). Mechanism housing (12) has several functions: ejector, cartridge guide, slide guide, and it also contains the sear mechanism. To remove unit, drive out lower and upper mechanism pins (25, 26) and lift free of trigger. Take care to prevent mainspring assembly (16, 17, 18) from flying out. To replace, be sure trigger bar and sear (11) are pointing down.