The Maxim Defense DS-K D 5.56mm is a compact suppressor from 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. Maxim rates the series for full-auto shooting and recommends barrels of 10.3 inches and longer. 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.
• 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.
• The DS series is full-auto rated on barrels of 10.3 inches and above.
• It uses Maxim’s M-Kore technology, the design behind the company’s DS and DSX cans.

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.

Buy the Maxim Defense DS-K D 5.56mm Suppressor, Black Titanium/Stainless

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 Maxim Defense‘s suppressors lineup and our Lubbock, Texas team will handle the transfer, and it ships fast to your Class 3 dealer.