Description
This kits includes the parts we use to convert a full-auto MG42 / M53 bolt to a semi-auto configuration:
- Firing Pin w/ spring
- Firing Pin Support Bushing
- Charging Piece
- Rear Post
- Roller Bearing
- Roller Bearing Screw
- Roller Bearing Support Shim
- Bolt Extension
- Mainsping
- Original Carrier
The Rear Post is pressed into the bearing hole in the original bolt carrier (002 interference fit). The original bolt carrier will need to be reamed to a precise diameter.
Diameter of post .285
Size of reamer .283
We typically use MA Ford TrueSize Reamer .283.
Tool Number: 27228300
MG42 SA Bolt and Buffer Setup









