The Magpul BEV Block (Barrel Extension Vise) is an all-in-one, compact vise block for AR-15/M4 assembly work such as barrel nuts and flash hiders. It mounts securely in a vise, supports billet and forged upper receivers, and engages the barrel extension with solid steel lugs and a full-length support shank to prevent flexing.
Features
- Steel Lugs: Engage the barrel extension; hardness optimized not to damage it
- Support Shank: Full-length steel shank prevents flexing
- Receiver Protection: Magpul polymer on all other engagement surfaces protects the aluminum receiver
- Stability: O-ring post uses the bolt carrier for added stability
- Included Pin: Keeps the upper in position
- Upper and Lower: Works with billet and forged upper receivers
In the Box
- BEV Block
- Pin
Specifications
- Manufacturer Part Number: MAG536-BLK
- UPC: 873750000145
- Fits: AR-15/M4 upper and lower receivers
- Material: Polymer with steel support shank
- Color: Black










