Check the listing for details. Crosman Storm XT Air Rifle 177 Cal - Front Spring Guide. Condition: Used. Listed at 4.00 USD. Front Spring Guide Used Crosman Storm XT Air Rifle 177 Cal Buyer is 100% responsible to verify fitment based on manufacturing part number and/or images. Please don't guess!!! Some gun parts may require fitting to safely work in another gun. In all instances, new or used gun parts should be installed by professional gunsmith and tested to verify proper functioning and safety. When buying an item, you agree to the EBAY rules for buyers and that: You are responsible for reading the full item listing INCLUDING ALL PHOTOS before making a bid or commitment to buy. You enter a legally binding contract to purchase an item when you commit to buy an item, your offer for an item is accepted, or if you have the winning bid (or your bid is otherwise accepted). You are responsible for knowing what is legal for you to purchase and own in your state, city, and county.