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一把上好的 .22 BSA MKI AIRSPORTER AIR-RIFLE，序列号为 G30813。G30813, for 1948-54, with blued tapering 18 1/2in. barrel, ramp fore-sight with squared tunnel protector, elevating non-folding rear-sight, automatic opening load-tap at the breech, plain air-cham with bright, clear etched details reading 'THE BIRMINGHAM SMALL ARMS CO LTD' over 'AIRSPORTER .22 AIR RIFLE "和 "MADE IN ENGLAND"（"Airsporter "和口径之间有一个 "Piled arms "商标），黑色珐琅斜背式扳机装置，底部有序列号和 "PATENT NOS.607'405'，胡桃木三件套半枪托，枪托左侧压有 "BSA "商标，枪托后部有棱纹，前端隐藏有齐平的下杠杆，几乎保留了所有原有的表面处理。
wolferton-norfolk, 英国
