ANYONE KNOW WHERE I CAN GET PARTS FOR A DUOFAST CN-137 FRAME GUN? I NEED A SPRING, PART NUMBER JA-136-10 FOR THE MAGAZINE THAT HOLDS THE NAIL CLIPS UP. THIS IS A COIL WIRE SPRING, 2 OF THEM HOLD THE NAILS UP! ILL TAKE A USED ONE OR NEW ONE. THANKS FOR THE HELP!