The 303 No1 Rear Bisley Sight is a precision sight used for the .303 rifles, including the iconic British Lee-Enfield No. 1 rifles. Renowned for its accuracy, this sight was primarily utilized in competitive shooting and advanced marksmanship training. The adjustable dials and robust construction ensured precision targeting over extended ranges. This piece is presented in its original box, complete with markings and packaging that authenticate its historic value. Its connection to British marksmanship competitions and military use during the early 20th century makes it a coveted item for collectors.