Bottom valve and top gas gun valve, what is it?
15 Mar 2023 On airsoft catalogs or on softgunner blogs and Facebook pages, you often read these definitions, that is bottom valve And upper valveLet's try to understand what it…
15 Mar 2023 On airsoft catalogs or on softgunner blogs and Facebook pages, you often read these definitions, that is bottom valve And upper valveLet's try to understand what it…