Check the listing for details. Crosman Crossman PC77 1322 1377 2289 Backpacker Valve & Breech Bolt Seals. Condition: New. Listed at 3.70 USD. <img src="http://ti2.auctiva.com/web/aswCredit.gif" border="0"><br><a href="http://www.auctiva.com/?how=scLnk2" target="_blank"><img src="http://ti2.auctiva.com/images/sc1line2.gif" border="0"></a> Here are the seals needed to reseal the valve assembly and breech bolt/probe in your Crosman pistol. These will work for pistol models PC77, 1322 & 1377 and for rifle model 2289 (Backpacker). May work for other models as well. NOTE: These are intended mainly for the Models manufactured after 1977. Seals Included: (1) Valve Assembly Outer Seal (O-Ring) (1) Valve Assembly Inner Seal (O-Ring) (2) Breech Bolt Seals (O-Ring) (Smaller one is for PC77, 1377 & 2289 Backpacker and the larger one is for 1322. Please Note: This kit includes the seals only. It does not include instructions, diagrams, exploded views or documents of any kind. Thank You. <div><a href="http://mostpopular.sellathon.com/?id=AC1316716"><img src="http://www.sellathon.com/Resources/Images/countercredit.gif" border="0"></a></div>