Removable Rear Extension for BRP Second Pattern Bolt – RevB Pattern

Description

For BRP Semi Auto Bolt Assembly with Removable Rear Extension Setup.

Rev B Mods: We reduced the mounting pin diameter to 3/32″ diameter and enlarged the material to provide a stronger interface with the bolt.

Includes:

1. Removable Rear Extension
2. Mounting Roll Pins

MG42 SA Firing Pin Timing

MG42 SA Bolt and Buffer Setup