The ProMag AR Block is a reversible, black vise block designed for AR-15/M-16 lower receivers, providing an extra hand to work on and install parts. Made of durable injection molded polymer, it fits snugly into the lower receiver's magazine well via the user's vise.
Specs
| Model No. | PM123 |
| Manufacturer | ProMag |
| Color | Black |
| Material | Polymer |
