This listing is for:

Two (2)  O-Ring seal kits for Crosman 
model 600 .22 cal & 677 .177 cal. Co2  pistols.
                                                      

Ten (10) seals are included in this double kit:

A)  Two (2) valve body, o-ring seals.
B)  Two (2) piercing cap, o-ring seals.
C)  Two (2) hammer, o-ring seals.
D)  Two (2) breech port, o-ring seals.
E)  Two (2) piercing pin, o-ring seals.
                                            
To help you decide if my kit, and a DIY seal installation is right for you, you can first down load, browse, file, and even print the service information for free. No purchase necessary!  Simply Google "Crosman Factory Service Manual".  The PDF will have all of the exploded views, part numbers, and service information for the 600 and other vintage Crosman models.

Please contact me if you have any questions.                                                            

Thank you.