Although MARK III pistols are designed to be disassembled and reassembled without the use of tools, some "tools" may be useful in the process, particularly when the pistols are new. Tools that may be useful include: (1) a soft rubber/plastic mallet; (2) a paper clip; and (3) a wooden dowel (1/8" - 1/4" diameter).

1. Before beginning disassembly, be certain that the muzzle is pointed in a safe direction and that the safety is "on" (S) if the pistol is cocked. Remove the magazine and carefully check it to verify that it is completely empty. Draw the bolt fully rearward and visually inspect the chamber to be certain that there is no cartridge in it and then release the bolt. Insert the empty magazine into the magazine well until it "clicks" and is fully in place. Disengage the internal lock, if necessary. (See p. 11.) Place the safety in the "off' (F) position. Point the pistol in a safe direction and pull the trigger to be sure the hammer has fallen. The hammer must be uncocked before the pistol can be disassembled. Remove the empty magazine.


Always unload a firearm before cleaning, lubrication, disassembly or assembly.


2. Insert a blunt, 'pointed' instrument in the oval recess of the mainspring housing (at the back of the grip) and swing the housing latch open like the blade of a pocket knife. (Some users find that a paper clip, looped over the latch, is an ideal 'instrument' for this phase of disassembly.)

3. Swing the entire housing outward on its pivot and pull downward, removing the mainspring housing and bolt stop pin. With new pistols it may be necessary to lightly tap (with a plastic hammer and wooden dowel) on the top portion of the bolt stop pin—which protrudes above the receiver—while pulling downward on the mainspring housing. Be careful not to damage the rear sight.

4. Fully insert the empty magazine into the frame. Point the muzzle upward in a safe direction and pull the trigger rearward. The bolt will drop out of the receiver or it can readily be removed.

5. With the mainspring housing, bolt stop pin (as an assembly), and bolt removed, a forward blow (with a plastic hammer) on the rear of the receiver will disengage the barrel-receiver assembly from the grip frame. No attempt should be made to remove rivets or staked pins. Further disassembly should be undertaken only by the factory.

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