Magpul BEV Block (Barrel Extension Vise) is a compact vise block tool for AR-15/M4 upper and lower receiver assembly and maintenance. Mounts securely in a standard vise.
– Design: All-in-one vise block for barrel nut, flash hider, and receiver work
– Material: Magpul polymer with steel support components
– Upper receiver: Engages barrel extension with solid steel lugs and full-length support shank; prevents flexing
– Receiver compatibility: Supports billet and forged uppers; polymer surfaces protect aluminum
– Lower receiver: Can be flipped over to function as a mag well vise block
– Stability: O-ring post uses bolt carrier; included pin maintains upper position
– Finish: Black
– Made in USA







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