The Faxon Harmonix ION .30 Cal Suppressor in Titanium is a lightweight rifle can from Faxon Firearms rated for .30 caliber or less (Faxon part no. FF-SIL-R-3DPC-30-02). Faxon builds it from Grade 5 titanium. It weighs 8.4 ounces without a mount, measures 6.75 inches long and carries a high-temperature ceramic coating. The body is HUB mount compatible, and Faxon packs a 5/8×24 direct thread HUB adapter in the box. One can covers 5.56, 300 BLK and .308 Winchester hosts, which makes it a light choice for a hunting rifle you carry all day.

Key Specifications

• The caliber rating is .30 caliber or less, as Faxon lists it for this model.
• Length is 6.75 inches, the same compact body across the Harmonix line.
• Weight is 8.4 ounces with no mount fitted, light for a centerfire rifle can.
• The material is Grade 5 titanium, chosen for strength at low weight.
• The finish is a high-temperature ceramic coating for heat and wear resistance.
• Maximum body diameter is 1.675 inches, with 1.5-inch wrench flats for installation.
• Faxon gives it an 800-degree Fahrenheit thermal limit: short bursts are fine, but it is not for sustained full-auto fire.

Frequently Asked Questions

Which rifles can I run the ION .30 Cal on? Faxon rates it for .30 caliber or less and lists no semi-auto barrel restrictions, so it covers hosts from 5.56 through .308 Winchester.

Is the ION .30 Cal full-auto rated? Faxon gives the ION an 800-degree Fahrenheit thermal limit. Short bursts are fine, but it is not built for sustained full-auto fire.

Do I need ATF approval to buy this? No. As of October 9, 2026, ATF no longer requires Form 4 approval, registration or a tax stamp for suppressors. It transfers on a Form 4473 with a background check through a Class 3 (SOT) dealer. State and local laws still apply.

Buy the Faxon Harmonix ION .30 Cal Suppressor, Titanium

As of October 9, 2026, this suppressor transfers on a Form 4473 with a background check at your Class 3 (SOT) dealer, with no Form 4 or tax stamp; state and local laws still apply. Order through Faxon Firearms‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will handle the transfer, and it ships fast to your Class 3 dealer.