The following diagram shows all of the parts of a Savage Model 10/110 bolt assembly.



Bolt Head
Front Baffle
Spring Washer
Bolt Head Retaining Pin
Firing ...

The following is Fred Moreo's own description of the Truing & Timing service he offers for Savage actions.

When I build a rifle, truing and timing the action is a standard procedure. Most shooters understand the concept of truing, but are confused about what "timing" is. When an action is out of time, it is typical that the bolt operation is stiff, bolting or unbolting. This is caused by several things, such as the cocking ratio being out of balance, and the sear engaging too early or too late. ...

The bolt race dimensions on an SA Savage action.
Major Diameter: 1.005-1.015"
Raceway Width: .445-.450" ...

When you lift the bolt it cocks the firing pin a given amount by rotating the cocking button up the cocking ramp. When you close the bolt, the cocking button is forced to drop back down but is held back in the cocked position by the top sear tab. When you pull the trigger, it releases the sear which allows the cocking piece to move forward via the firing pin springs' tension, which in turn drives the firing pin forward to strike the primer. ...

Over the last several years Savage has incorporated some design changes that need to be addressed in order to acquire the correct parts for your Savage rifle project. ...

The following is a copy of the instructions for disassembling and reassembling a Savage "AK" muzzle brake. (click to enlarge)

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It is highly recommended that you always check the chamber of a newly acquired barrel for proper machining depth before installing it on your action. If the chamber depth is not correct it could leave the web of the case unsupported and result in a case separation upon firing. ...