AR 15 Upper Receiver polypropylene vise block. Will fit all standard A-R 15 receivers without fear of crushing, marking or scratching. Very simple to use. Secure the assembly in your vise, slide the upper onto the block and lock in place with the included pins.
- Machined from high-density Polypropylene
- Prevents crushing, scratches, or marks on you’re AR15 Upper
- USA Made