Remington Model 51, .380 cal. auto pistol. Serial #PA7041, mfg. 1919. Very good condition. 3 1/2" barrel has a very good bore. Tight action. Vivid maker's addressand patent on top of slide. 90% bluing. Fixed sights. Grip safety and frame safety on left side. Remington marked black checkered grips are excellent. One correct magazine marked "U". Very flat and compact and concealable and was the choice of many gangsters during the "Roarin' 20's"! C&R OK. Gunrunner West item.