RPD Semi Auto 3
The next step is to remove .040" from the bottom of the rails on the
bolt carrier.
Machining the bolt carrier is complete, the last step is to install the
firing pin extension and firing pin extension retaining pin. The firing pin
extension must move freely for proper operation.
The last step in this section is to remove the firing pin from the bolt,
polish it and clean and chamfer the firing pin hole. Re assemble the bolt,
the firing pin should move freely.
Now we will start preparing the receiver, the first step is to install the
ejector, it will need to be fitted to the slot in the receiver. It should fit tight
and be staked in place with a center punch.