Description
Geissele Automatics Reaction Block (05314) is a gunsmithing tool for assembling lower receivers. After the buffer tube is installed, the lower receiver slides into the block at the 12, 3, 6, and 9 o’clock positions. Nylon screws let the receiver be rotated in 90-degree increments while keeping the armorer’s hands free for other lower receiver operations.
How it’s used
- Positions the lower receiver for consistent work alignment
- Allows 90-degree rotation by loosening nylon screws and re-seating the receiver
- Helps speed buffer retainer nut installation
| Product Type | Reaction Block |
|---|---|
| Material | Steel |
| Color/Finish | Black |
| Positions | 12, 3, 6, and 9 o’clock |
