How made air gun scop rail at home easily___ Air GUN Scop Rail___ air rifle aiming__

In this video clip I tell about making a air gun scop rail .scop rail for those old air rifles which have not scop function. In this video I made a scop rail from pvc pipe. This is the most easy and cheap way to make scop rail at home.
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Air rifle aiming__rifle aiming __ scop rail making__ how set scop on old Chinese air gun,