What would happen if I didn't have one? I just bought a mag(not shooting), and I took apart the X-valve, and I don't think it has a backing washer. Is it mandatory to have? Or can I just load up on shims?
Oh, and waht color are backing washers? In the diagrams, they look gray/black.
Oh, and waht color are backing washers? In the diagrams, they look gray/black.
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