EXCHANGE REQUIRED (NOT AVAILABLE WITHOUT EXCHANGE) for Crosman MK I and II, with exchange of old valve stem. EXCHANGE INSTRUCTIONS: YOU MUST HAVE AN EXCHANGE TO PURCHASE THIS PART AND IT MUST BE IDENTICAL TO PICTURE OR DESCRIPTION. YOU WILL NOT RECEIVE YOUR PART BACK. YOU WILL RECEIVE A PART THAT HAS ALREADY BEEN REBUILT. FIRST PLACE YOUR ORDER, THEN SEND YOUR UNDAMAGED PART VIA USPS ONLY, USING A PADDED ENVELOPE, TO JGAIRGUNS P.O. BOX 830, MUNDELEIN, IL 60060. DO NOT INCLUDE ANY EXTRA PARTS, THEY WON’T BE RETURNED. DO NOT REQUIRE A SIGNATURE, IT WILL BE REFUSED. YOU WILL NOT BE NOTIFIED WHEN YOUR PART IS RECEIVED. ORDERS TYPICALLY SHIP 5-7 BUSINESS DAYS AFTER WE RECEIVE YOUR EXCHANG PART.
