The Anechoic AnechoX 223L Black 5.56 Suppressor is the extended version of Anechoic’s AR-15 suppressor, built from titanium and 17-4 stainless steel (Anechoic part no. X223LB). It uses a 1-3/8×24 mounting interface and ships with a 1/2×28 direct thread adapter already installed, so it threads onto a standard 5.56 muzzle out of the box. The 223L gives up a little handling to add more internal volume and more suppression than the shorter AnechoX 223. Black Cerakote finish and a user-serviceable design round it out for an AR-15 carbine or a varmint rifle.

Key Specifications

• It is rated for .223/5.56, the cartridge family the AR-15 platform is built around.
• Outside diameter is 1.6 inches, a standard rifle-can size that clears most free-float handguards.
• The body is Grade 5 STA 1000 titanium, chosen for its strength-to-weight ratio.
• The blast chambers and baffles are 17-4 H900 stainless steel, which handles the heat of centerfire use.
• The mounting interface is 1-3/8×24, a widely used thread for suppressor mounts.
• A 1/2×28 direct thread adapter comes installed, matching the standard AR-15 muzzle thread.
• The suppressor is HUB compatible, so it also accepts mounts built for that industry-standard interface.
• The finish is black Cerakote, a thin ceramic coating that resists wear and glare.
• The internal design is the X-Baffle chamber system with an interrupted central tube, aimed at reducing sound, recoil and back pressure.
• The suppressor is user-serviceable, so regular cleaning is practical.

Frequently Asked Questions

Will it thread onto a standard AR-15 muzzle? Yes. It comes with a 1/2×28 direct thread adapter installed, which matches the standard 5.56 AR-15 muzzle thread.

What other mounts does it accept? The suppressor itself uses a 1-3/8×24 mounting interface and is HUB compatible, so it works with industry-standard mounts of that size as well as the included adapter.

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 Anechoic AnechoX 223L Black 5.56 Suppressor, 1-3/8×24 with 1/2×28 Adapter

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 Anechoic‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will handle the transfer, and it ships fast to your Class 3 dealer.