All Surgeon Actions start from a single piece of 4140 chrome moly and are machined to their final dimension, in the hardened state to ensure a consistent and accurate part.

After finish machining the outside dimensions of each action they are then ready for the wire EDM. We use the wire EDM to cut the bolt bore and race ways in all our actions, there are other ways to do this but none offer the same level of accuracy or consistency you get from the EDM process.

The actions then go back to the mills for completion, once all of the above is complete the actions are engraved and sent
to final inspection.

All Surgeon bolts start as a solid 4140 forging, the forging is then roughed machined and sent out to be heat treated.Once the bolts come back from heat treatment they are then finished machined.

After all machining is complete they are sent out to be ion nitrided (case hardened) when the bolts return they go through our last process and are sent to final inspection.