A gun body is a circular straight pipe which can be convenient to be fully sealed, however, it has the advantages of small appearance, light in weight and long lifetime.
枪体是圆形直管型，可以方便的进行全密封，而且外形小，重量轻，寿命长。
A gun body is a circular straight pipe which can be convenient to be fully sealed, however, it has the advantages of small appearance, light in weight and long lifetime.
枪体是圆形直管型，可以方便的进行全密封，而且外形小，重量轻，寿命长。
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