The Maxim Defense DS-K D 5.56mm suppressor is a compact member of Maxim’s DS series, built from black titanium and stainless steel (Maxim Defense part no. MXM-48064). It is rated for 5.56 NATO and .223 Remington and measures 1.75 inches in diameter. The DS series pairs a Grade 9 titanium tube with a 17-4 stainless steel core and uses Maxim’s M-Kore technology. The K length suits a shooter who wants a short, tough can on a compact 5.56 rifle.

Key Specifications

• The caliber rating is 5.56 NATO and .223 Remington, the standard AR-15 cartridges.
• Outer diameter is 1.75 inches, a standard rifle-can width.
• Construction is a Grade 9 titanium tube over a 17-4 stainless steel core, the DS series pairing.
• The finish is black on the titanium tube.
• It uses Maxim’s M-Kore technology, the design behind the company’s DS and DSX cans.
• Maxim rates the DS series full-auto on barrels of 10.3 inches and longer.

Frequently Asked Questions

What barrel length is the DS-K D recommended for? Maxim recommends the DS series for barrels of 10.3 inches and longer.

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.

Which cartridges is it rated for? It is rated for 5.56 NATO and .223 Remington.

Buy the Maxim Defense DS-K D 5.56mm Suppressor, Titanium and Stainless Steel

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. The short body keeps weight and length down on a compact carbine without giving up the titanium and stainless build Maxim uses across the DS series. Order through Maxim Defense‘s suppressors lineup and our Lubbock, Texas team will handle the transfer.