The Griffin Armament DUAL-LOK 7 in FDE is the conventionally built .30 caliber DUAL-LOK, rated up to 300 PRC (brand part no. GADL762FDE-W). Its laser-welded tubeless body combines 17-4 H900 stainless steel and 718 Inconel, heat treated and Cerakoted, with a nitrided black collar. The DUAL-LOK mount uses an ACME thread interface and ships with a Minimalist Brake in 5/8×24. At 7.5 inches and 13.5 ounces, Griffin calls it the lightest .30 caliber model in the DUAL-LOK family. It suits a rifle owner who wants one light can for a .308 gas gun and a magnum hunting rifle.

Key Specifications

• The caliber rating is up to 300 PRC, which covers .308 Winchester and the larger .30 magnums.
• Length is 7.5 inches with a 1.5-inch diameter.
• Weight is 13.5 ounces, the lightest .30 caliber DUAL-LOK.
• The materials are 17-4 H900 stainless steel and 718 Inconel, laser welded in a tubeless design.
• The finish is FDE Cerakote with a nitrided black collar.
• The mount is DUAL-LOK with an ACME thread interface.
• A DUAL-LOK Minimalist Brake in 5/8×24 is included, ready for a threaded .30 caliber barrel.

Frequently Asked Questions

How is it different from the DUAL-LOK 7 AM? This is the conventionally built version in stainless steel and Inconel at 13.5 ounces. The AM version is printed in Nickel 625X and weighs more.

What is it rated for? Griffin rates it up to 300 PRC, lists it as full-auto rated and says there are no barrel length restrictions.

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 Griffin Armament DUAL-LOK 7 Suppressor, FDE

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