You are considering an original vintage WWII U.S. M1 Carbine Type I Flip-up Rear Sight — This sight is marked “S” on the left side; it was made by Rock-Ola as shown with the markings “BR” on the right side. The type I rear sight was issued with the early model M1 Carbine during WWII. The condition is considered Very Good, showing typical minor wear from normal use. Order it today for your .30 Caliber Semi-Automatic M1 Carbine Rifle.
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