Barrel Nut Timing Shims

OG Carbon now offers precision-engineered barrel nut timing shims, designed to eliminate barrel wobble and ensure flawless alignment when upgrading to aftermarket barrels & Handguards. 

These shims allow you to fine-tune barrel fitment, taking up any tolerance variation while enabling perfect Picatinny rail timing, so your handguard rail aligns seamlessly with the receiver rail—exactly as it should.

Manufactured from high-quality stainless steel, these shims are corrosion-resistant, wear-resistant, and built to maintain consistent performance over long-term use.

Technical Specifications:

 • Material: Stainless steel (corrosion-resistant, long service life)

 • Shim Sizes Included:

 • 0.06 mm × 25.4 mm × 29.5 mm

 • 0.10 mm × 25.4 mm × 29.5 mm

 • Pack Contents:

 • 5 × 0.06 mm shims

 • 5 × 0.10 mm shims

 Total 10 shims per pack

These barrel nut timing shims are included as part of our Handguard Package, meaning there’s no need to purchase them separately when upgrading—ensuring optimal fitment straight out of the box.

👉 Achieve perfect alignment and rock-solid fitment.