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PMM Barrel Nut Wrench for SIG 516


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Product Details

CNC machined barrel nut wrench made specifically for the SIG 516. Don’t ruin your firearm by not using the proper tooling, PMM has you covered!


*1018 carbon steel

Additional information

Weight 0.5 lbs

6 reviews for PMM Barrel Nut Wrench for SIG 516

  1. Steve B

    Exactly what I needed and hoped it would be. A very well made, high quality barrel nut wrench for the Sig 516. If you own one of these rifles, you know that a standard barrel nut wrench won’t work. PMM has come to the rescue with their customer made barrel nut wrench specifically made to fit the 516. And, IT DOES!! As far as price goes, you get what you pay for, and I definitely got my money’s worth with this barrel nut wrench. I would recommend this item to any Sig 516 owner.

  2. Michael P.

    Part was in stock at the time I needed, and shipped out quickly. The tool itself is very well made. This is the second time ordering products from PMM and have been more than satisfied with their them overall.

  3. John T.

    This wrench is perfectly machined to fit the 516 barrel nut. It is tight and needs to be slightly tapped into place with a little soft hammer for the perfect fit. Even the 1/2″ square drive hole was a perfect tight fit! I can’t say enough good about this wrench and if you own 516 you need one of these.

  4. Matt H.

    Tried others to no avail, but this worked like a charm. Oh and you also have to use a ton of heat. Sig way over torques their barrel nuts!

  5. Larry P.

    the tool works great. I highly recommend it if you need to remove the barrel nut. Nothing else will work.

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