The Griffin Armament Optimus 7 DUAL-LOK black suppressor is a .30 caliber, additively manufactured can optimized for cartridges such as .308 Winchester and .300 Winchester Magnum (brand part no. GAOP7DL-W). Its high gas flow baffle stack reduces system backpressure compared with a traditional suppressor, and the quad-tine flash hider end cap was tuned with it to keep flash very low. The DUAL-LOK model ships with an EZ-Brake in .30 caliber 5/8×24 and is compatible with all DUAL-LOK muzzle devices. It is built from 17-4 H900 stainless steel and finished in black high-temp Cerakote.

Key Specifications

• The caliber rating is .30 caliber (7.62mm), optimized for .308 Win and .300 WM.
• The mount is DUAL-LOK, with an EZ-Brake (.30 caliber, 5/8×24) included.
• Overall length is 7.49 inches for the DUAL-LOK model.
• Weight is 19.7 ounces for the DUAL-LOK model.
• Diameter is 1.73 inches, a large tube for internal volume.
• Griffin publishes -32.9 dB, measured at 135.9 dB on a 16-inch .308 with M118LR.
• The finish is black high-temp Cerakote on 17-4 H900 stainless steel.

Frequently Asked Questions

Which muzzle devices fit the DUAL-LOK Optimus 7? All DUAL-LOK muzzle devices, and Griffin includes an EZ-Brake in .30 caliber with 5/8×24 threads.

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 Optimus 7 DUAL-LOK Suppressor, .30 Caliber, Black

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 suppressor lineup and our Lubbock, Texas team will handle the transfer.