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Will the J&E machine tech AR 15 Enhanced upper vise block work on a Aero Precision M4E1 upper receiver? — 1 Answer

by Randy, from CA, United States Asked on November 30, 2018

Name JE Machine Tech AR-15 Enhanced Vise Block (4.3)
As Low As $9.49
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Answered by Armando R., Gear Expert, from IL, United States, on August 08, 2019

Exact compatibility with the Aero Precision M4E1 upper is not known as Aero did change some of the external dimensions of a standard AR upper to develop their M4E1.

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