AT3™ Aeroshell 64/33MS Grease for AR-15 Barrel Nut – 1/2 Ounce Jar

SKU: AT3-AEROSHELL-64

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Mil-Spec Aeroshell 64 / 33MS Barrel Nut Grease from AT3

Aeroshell 64 (formerly 33MS) stands as the high-pressure grease trusted by the US military for attaching barrel nuts to M16 and AR-15 receivers. This lithium-based grease acts as a barrier between steel and aluminum, preventing corrosion and binding on your rifle over time. And if you’re a frequent builder, not only is this a must for your workbench, but a single 1/2 ounce jar covers multiple builds!

How to Use Aeroshell on Your Barrel Nut

One of the great things about Aeroshell, is that you don’t need to use a lot to get the benefits. Using a small amount of grease (think pea-sized), work the grease into the threads of your upper receiver. Then, thread on your barrel nut until tight. Remove and install the barrel nut a few times to work in the grease before putting on final torque. Simple!

Features

  • Approved for MIL-G-21164D for M16 and M4 rifle barrel nut grease
  • Prevents galvanic corrosion between aluminum receiver and steel barrel nut
  • 1/2 ounce jar can be used for multiple builds

Specifications




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All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.

This includes AT3 Red Dot SightsHandguardsIron Sights, and any other product that carries the “AT3 Tactical” or “AT3™” name. For other brands (ex. Magpul or Troy), please refer to the manufacturer’s warranty policy.

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Customer Reviews

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K
Kenneth
Aeroshell 64/33MS Grease

Works well, does what it supposed
To do which is provide lubrication
And stopped parts binding, like it
And would recommend it.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.