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Questions & Answers
What size thread are these for? Expert Answer

The Ergo Barrel Nut Shims are designed for AR15 barrel nuts and includes (4) .002" shims. For more information, I'd recommend reaching out to the manufacturer directly.

by Ethan, Gear Expert, September 27, 2022
Customer Reviews
Helpful Positive Review
stainless shims by mikemegame, Verified Owner, March 6, 2018
these shims are easily bent so be careful handling them so as to not crease them or put a fold in them like i did, but i screwed the barrel nut tight and i don not think it will make a difference if you are able to flatten it out
1/1 found this helpful
Helpful Positive Review
Ergo Barrel Nut Shims - 4 Pack by Rick, Verified Owner, April 9, 2021
This is a "must have" for assembling an upper that uses a traditional USGI barrel nut, where the barrel nut has to be timed correctly for the gas tube to be inserted. This 4-pack came packaged in Ergo packaging, and worked exactly as it should.
1/1 found this helpful
Helpful Positive Review
Barrel nut shims by William Bair, August 3, 2021
It took all 4 shims but the hand guard is lined up perfectly was starting to wonder if theses would work would definitely us these again on another build. Price was good and shipping was fast. Might just order these again with my next build.
1/1 found this helpful
Most Recent Reviews
Solved a problem by Rick, Verified Owner, October 26, 2023
I had a barrel nut that needed a little help from one shim. Problem solved!
Most Recent Reviews
If it works, it works. by Hawk, February 16, 2021
Bought these and ended up only using one of them but it got the handguard where it needed to be. All in all timing a handguard isn’t that fun so I might just stick with the slip on ones for now on. If I ever do have to time a handguard again, I’ve go...
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Read All 5 Reviews

Product No Longer Available

Unfortunately Ergo Barrel Nut Shims - 4 Pack is not listed by OpticsPlanet.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts yourself to try and find the perfect replacement for you!

Product Info for Ergo Barrel Nut Shims - 4 Pack

AR-15 barrel nut shims (4 Pack) allows you to adjust the barrel nut to the perfect alignment and recommended barrel nut torque.image

ERGO shims can be used individually or combined together. Kit comes with (4) .002in shims.

Features of Ergo Barrel Nut Shims - 4 Pack

  • .002" thickness; pack of 4

Package Contents:

  • Ergo Grip Barrel Nut Shims - 4 Pack

Gun Barrels

1–13 / 13
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Gun Triggers

1–16 / 16
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Gun Parts and Accessories

1–30 / 30
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Gunsmithing Tools & Accessories

1–16 / 16
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Magazine and Accessories

1–21 / 21
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Gun Sights

1–18 / 18
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Gun Stocks

1–19 / 19
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Mounts, Rings and Accessories

1–20 / 20
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Related Products to Ergo Barrel Nut Shims - 4 Pack

Ergo Barrel Nut Shims - 4 Pack Unavailable & Discontinued Models

List of Unorderable Models

  • Ergo Grip .002 in Thick Barrel Nut Shims, 4 Pack, 4964-4PK , MPN: 4964-4PK , UPC: 874748007825 , Code: 3E-BAN-BRNT-4964-4PK
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