Going to a match or to the range and need spare parts "just in case"? Here's what you need! Maintenance Kit Includes: 1 Guide Rod Assembly (Includes: Recoil Spring, Guide Rod End Cap Breech, Guide Rode End Cap Muzzle, Washer), 1 Firing Pin Spring Cup, 1 Firing Pin Sleeve, 2 Firing Pin Housing Screws, 2 Firing Pin Housing/Ext. Screws, 2 Firing Pin Safety Springs, 1 Firing Pin Spring. The firing pin is not included with the maintenance kit.