Thread: S&W 12-2 Air Weight Grip Question
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Old 08-11-2017, 07:06 PM
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JP@AK JP@AK is offline
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The Model 12 was an aluminum alloy K size frame. But the dimensions of the grip frame were slightly different than the steel K frame, so this frame was called by S&W the KA Frame. The stamp you asked about is KA Frame, Square Butt (hence, KAS).
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