Swing Arm Holder - Screw Mt w/Floor Base Part # 15504 #15504 Swing Arm Holder - Screw Mt w/ Floor Base Quantity:   Only  $55.95    Here are some other items you may be interested in: Fine Gun Holder Cover - Side Mount  Only $15.95  Swing Arm Floor Base  Only $17.95  Additional Barrel Holders  Only $5.50  Set of 2