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Feature

Mil-Spec grease for barrel nut installation and receiver extension assembly
Easy, portable container to store or pack
Aeroshell 64 / Aeroshell 33 MS sets the standard with exceptional anti-corrosion and anti-wear performance
MIL-G-21164D for AR platform upper receiver threads
Made to perform under extreme pressure and heat to prevent damage.

Description

Aeroshell grease that meets mil-spec MIL-G-21164D for barrel nut assembly on AR platform upper receiver threads. As used on complete Umbrella gov/military sample builds, offered here in .5oz jars for your own barreling projects. Unless you run your own shop, this jar will likely be the only one you will ever need. If in doubt, buy two and give one to your buddy* when you realize that you'll never use it all.