Magpul BEV Block – AR15/M4 MAG536

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Magpul BEV Block – AR15/M4 MAG536


Quick Overview

SKU: 43423
UPC: 873750000145
MFR#: MAG536

The BEV Block (Barrel Extension Vise) is an all-in-one, compact vise block tool for AR15/M4 assembly operations of barrel nuts, flash hiders, etc.

Mounts securely in a vise and provides support for both billet and forged upper receivers. Engages barrel extension with solid steel lugs and full length support shank to prevent flexing. Steel hardness is optimized for durability yet won't damage barrel extension, and Magpul Polymer is used for all other engagement surfaces to protect aluminum receiver. O-ring post uses bolt carrier for additional stability and included Pin keeps upper in proper position.

The BEV can also be turned over and used as a mag well vise block to support the lower receiver during maintenance, etc.

Made in U.S.A.


International Traffic in Arms Regulations Controlled Product

Add To:


  • Provides support for all AR15/M4 upper and lower receivers
  • Solidly engages barrel extension with steel lugs
  • Full-length steel support shank
  • Body made from the same high-quality polymer as other Magpul products



  • BEV™ Block – AR15/M4
    • Weight: 11.2 oz.
SKU: 43423
SKU 43423
Department AR Parts
Brand Magpul
Daily Deal N/A
Daily Deal Expires N/A
Unit Price N/A
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SKU: 43423

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5.0 / 5.0
4 Reviews
5 Stars
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1 Star
Magpul Bev block
Would definitely recommend this product. Works great. Have used it for many builds.
July 3, 2019
3 months ago
Works perfect! Great for building ARs with and holding either the upper or lower
January 22, 2019
9 months ago
Great design
This is a solid product that offers many uses in a minimal size. It was fun to be able to do so many assembly operations with this one product.
November 9, 2018
1 year ago
Just as advertized
Works great. A must have for anyone building or maintaining an AR-15
June 23, 2018
1 year ago

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