The Walther P38 (specifically 1944 variants) is a historically significant 9mm semi-automatic pistol. It features an iconic DA/SA trigger, an innovative hammer-drop safety decocker, and a loaded chamber indicator. 
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1944 Walther P38 Specifications
Caliber: 9mm Luger (9x19mm Parabellum)
Capacity: 8 rounds
Overall Length: 8.5 inches
Barrel Length: 4.9 inches
Weight (Empty): 28 to 34 ounces depending on frame variants
Action: Short recoil, locked-breech, Double-Action / Single-Action (DA/SA)
Construction: All-steel frame and slide
Sights: Fixed front post and U-notch rear