Note position of cocking handle and mounting of rear sight in this design.
Top Line: Top view showing action locked. Rear ends of two locking arms are securely gripping cuts in breechblock. ("a" is receiver; "b" is barrel; is breechblock; "m" and "m" are lock faces.)
Second Line: Top view showing action unlocked. As barrel and breechblock traveled back locked together, when the breech pressure dropped to safe limits the cam surfaces ("e" and "e") of the twin locks hit the slopes of the extension (at "i" and "i"), thereby camming the locks down the sides of the extension openings and out of engagement with the breechblock cuts. The barrel travel is halted at this point, but the impetus delivered to the breechblock is sufficient to carry that member back to eject, recock and reload.
Third Line: Front and side views of the locking elements.
MODEL 1902, MAUSER SEMI-AUTOMATIC RIFLE. TOP VIEW WITH ACTION OPEN READY FOR LOADING AND COCKING HANDLE RETURNED TO FORWARD POSITION.
Note that this rifle is loaded with a clip through the top exactly as in the standard bolt action type of manually operated rifle.
MODEL 1902, MAUSER SEMI-AUTOMATIC RIFLE. TOP VIEW WITH ACTION CLOSED AND COCKING HANDLE TURNED DOWN OUT OF ENGAGEMENT.
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