- Manufacturer: New Frontier Armory
- Model: C-4 Lower Receiver Vise Block
Lower Receiver Vise block for our C-4 Series lower made of rugged grey PVC material. Machined to capture the lower by the magazine catch so you can hold your lower steady at a variety of angles while building, repairing, or cleaning it. Fits our C-4 Billet and G-15 Forged AR-15 style lowers and most other brand AR-15 lowers with MILSPEC magazine wells.
The New Frontier Armory C-4 Vise Blocks are proudly MADE IN THE USA by hard-working American men and women.