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Questions & Answers
what is the purpose of the shim?? new to building an AR, are they necessary? Expert Answer

Recommend emailing us at techsales@opticsplanet.com to help you further.

by Ryan Tarczynski, Gear Expert, July 28, 2021
What is ID/ OD and different thicknesses of these shims? Expert Answer

Aero Precision does not provide specific dimensions for their .308 BAR Shim Pack. I'd recommend reaching out to them directly for more information.

by Ethan, Gear Expert, August 22, 2022
Customer Reviews
Helpful Positive Review
If you ever remove AR Barrels! by Dragonw4g, Verified Owner, March 15, 2022
If you pull apart your .308 up to removing barrels or plan to. You should keep a set or 2 of these on hand. Some barrels need them some do not. If your barrel is shimed removal can mess thin shims up. Having all this kind of little stuff on hand has ...
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2/2 found this helpful
Most Recent Reviews
Great Item by Chris, Verified Owner, October 27, 2024
Good quality, I recommend getting 2 though...the barrel nut was so in between mounting holes that I actually needed a few more...I made it work just by tightening and retightening multiple times. After the next to last seating, I checked on the shi...
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Most Recent Reviews
Great Item by Chris, Verified Owner, October 27, 2024
Good quality, I recommend getting 2 though...the barrel nut was so in between mounting holes that I actually needed a few more...I made it work just by tightening and retightening multiple times. After the next to last seating, I checked on the shi...
Read More...
Most Recent Reviews
good to have around by Oregon Guy, Verified Owner, May 21, 2024
I used these to help time a barrel but for a PRI handguard on my last AR10 project.
Most Recent Reviews
These shims are the way to go by George Williamson, Verified Owner, May 15, 2024
These shims come in a pack. Are stainless steel and there are multiple different sizes from .002" to .010" with 2 of each of the thinnest ones. I have used these for multiple builds. And I highly recommend them.
Most Recent Reviews
These shims work great by George Williamson, Verified Owner, May 8, 2024
There are enough shims in this pack of different thicknesses to shim any AR10 platform barrel. And they are stainless steel.
Read All 8 Reviews

Black Friday Starts NOW! Deals on Aero Precision, Stag, Ballistic Advantage and VG6 Precision

Blazin' Deal
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
Condition: New Color: Stainless Quantity: 1

Code: 29D-FSH-308SPBAR-APRH308950C

MPN: APRH308950C

UPC: 815421028140

Blazin' Deal
List: $10.00Save 19%
$8.09

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Aero Precision .308 BAR Shim Pack

Mounting a BAR style handguard onto your AR platform rifle is easier than ever with the Aero Precision .308 BAR Shim Pack. These Rifle Parts by Aero Precision are easy to install and can be installed in seconds, so you don't waste any time fitting your barrel. However, these Aero Precision .308 BAR Shims are essential when using an AR-15 barrel because they add a little extra "insurance". These Aero Precision .308 Bar Shims help to prevent an unlevel shooting surface which can put marks on your target. They also act as a form of insurance to protect your rifle and are included when you purchase their M5E1 Handguard Barrel Nut. Get your Aero Precision .308 BAR Shims today to properly install BARs onto your bolt-action rifle.image

WARNING: California`s Proposition 65

Specifications for Aero Precision .308 BAR Shim Pack:

Manufacturer: Aero Precision
Condition: New
Color: Stainless
Quantity: 1
Country of Origin: USA

Package Contents:

  • Aero Precision .308 BAR Shim Pack

Aero Precision .308 BAR Shim Pack Orderable Models

List of Orderable Models

  • Aero Precision .308 BAR Shim Pack, Stainless, APRH308950C , MPN: APRH308950C , UPC: 815421028140 , Code: 29D-FSH-308SPBAR-APRH308950C
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