Marker Parts - Valken M17 PRV & O-Ring(0)No Reviews yet SKU: Marker Parts - Valken M17 PRV & O-Ring 113127 Log in to see price Quantity discounts available QuantityPrice Quantity -+ Description Valken M17 PRV Pressure Relief Valve and o-ring. Replacement parts for Valken M17 magfed paintball gun. Description Back DescriptionValken M17 PRV Pressure Relief Valve and o-ring. Replacement parts for Valken M17 magfed paintball gun. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review