Magpul BEV Block AR15/M4 Receiver Vise Block Tool

Magpul BEV Block AR15/M4 Receiver Vise Block Tool

The Magpul BEV Block is a compact, all‑in‑one vise block tool for AR15 / M4 rifles designed to securely support both upper and lower receivers during assembly or maintenance. It ensures safe installation of barrel nuts, muzzle devices, flash hiders, etc., while preventing stress or twisting on the barrel extension or receiver. It can also be flipped to serve as a mag‑well vise block for lower receiver work. Made in USA.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))

Key Features

• Secure barrel extension engagement via solid steel lugs and full‑length steel support shank.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))
• Polymer‑covered receiver contact surfaces — protects aluminum receivers from scratches and damage.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))
• Works with billet & forged uppers — supports a variety of AR15 / M4 upper receiver types.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))
• Flip to use as mag‑well vise block — supports lower receiver for maintenance or assembly.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))
• Compact and portable — easy to use on bench vise or workbench.([varusteleka.com](https://varusteleka.com/en-row/products/magpul-bev-block-ar15-m4))
• Made in USA — original manufacturing quality.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))

Specifications / Technical Info

• Compatible Platforms: AR15 / M4 upper and lower receivers.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))
• Use Cases: Barrel nut and muzzle device installation, upper & lower receiver assembly / maintenance, cleaning, gunsmithing.([varusteleka.com](https://varusteleka.com/en-row/products/magpul-bev-block-ar15-m4))
• Construction: Steel lugs + steel support shank + protective polymer contact surfaces.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))
• Made in USA.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))

Recommended For / Use Cases

Ideal for gunsmiths, firearms builders, AR‑15 / M4 owners, armorers, tactical armories — useful for barrel nut / flash hider installation, muzzle device mounting, cleaning, full disassembly, maintenance, or any work that requires stable receiver support. Especially beneficial for DIY builds or custom rifle assembly.

FAQ

Q: What is the BEV Block used for?
A: It is used to securely clamp and support AR15/M4 upper or lower receiver — particularly during barrel nut, flash hider or muzzle device installation — preventing stress, bending or damage.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))

Q: Can it be used for both upper and lower receivers?
A: Yes. It supports upper receivers for barrel work, and can be flipped to function as a magazine‑well vise block to support lower receivers for maintenance or assembly.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))

Q: Will this tool scratch my receiver or barrel extension?
A: No; the receiver contact surfaces are covered with protective polymer, while the barrel extension is engaged with hardened steel lugs — the design protects components while providing solid support.([magpul.com](https://magpul.com/bev-block-ar15-m4.html))

About K.T.Tactical Taiwan

This product is offered by K.T.Tactical 鎧德戶外. 我們確保提供 Magpul 原廠正品，並提供正確的維修與組裝建議與技師支援，協助你安全、專業地維護與組裝你的武器系統。