GRIFFIN DUAL-LOK EZ BRAKE 30CAL 5/8X24 - Precision Muzzle Brake for .30 Caliber Firearms
- Caliber-Gauge:
- 30 Caliber
The Griffin Armament DUAL-LOK EZ Brake is a lightweight muzzle brake engineered for .30 caliber rifles that use Griffin's DUAL-LOK suppressor interface. If you're running a DUAL-LOK 5, DUAL-LOK 7, HRT-556, or HRT-762 suppressor, this brake serves as your mounting platform while delivering straightforward recoil mitigation without the hassle of timing. Built from 17-4 PH stainless steel and finished in black nitride, it's built to handle the elements and stand up to repeated use at the range or in the field.
What makes the EZ Brake practical for working shooters is its simplicity and weight. At just 2.5 ounces, it's one of the lightest DUAL-LOK mounts available—that matters when you're trying to keep your rifle quick and balanced, especially on longer days afield. The three radial slots do the recoil-reduction work, and installation requires nothing more than a standard 13/16-inch socket wrench. No timing, no guessing, no frustration.
The tapered design and DUAL-LOK retention ring lock everything down solid, which means minimal point-of-impact shift between mounted and unmounted configurations. That repeatability is worth its weight when you're dialing in a hunting rig or a precision setup. If you're already invested in the DUAL-LOK ecosystem or considering it for suppressed .30 cal shooting, this brake is the straightforward, no-nonsense choice.
Key Features
- Compatible with DUAL-LOK 5, DUAL-LOK 7, HRT-556, and HRT-762 suppressors
- Three radial slots for recoil mitigation
- No timing required—install with a standard socket wrench
- Lightweight design (2.5 oz) keeps your rifle fast and responsive
- 17-4 PH stainless steel with black nitride finish for durability
- Tapered design and retention ring minimize POI shift
Specifications
| Caliber | .30 caliber |
| Thread Pattern | 5/8x24 |
| Material | 17-4 PH stainless steel |
| Finish | Black nitride |
| Weight | 2.5 ounces |
| Overall Length | 1.4 inches |
| Spline Diameter | 1.075 inches |
| Unit Diameter | .93 inches |
| Installation Tool | 13/16-inch socket wrench |
Frequently Asked Questions
Will this brake work with my Griffin suppressor?
Yes, if you own a DUAL-LOK 5, DUAL-LOK 7, HRT-556, or HRT-762. The EZ Brake is designed as the mount interface for those suppressors. If you have a different Griffin model or a suppressor from another manufacturer, you'll need to verify compatibility with the DUAL-LOK mounting system.
Do I need to time this brake when I install it?
No. The EZ Brake requires no timing. You simply thread it on using a 13/16-inch socket wrench and lock it down. That simplicity is one of the main advantages over brakes that demand precise rotational alignment.
How much does it weigh, and why does that matter?
The EZ Brake weighs 2.5 ounces, making it one of the lightest DUAL-LOK mounts available. That lightweight design reduces overall suppressor system weight and helps keep your rifle barrel responsive and easier to handle in the field or at the bench.
Will my point of impact shift when I remove the suppressor?
The tapered design and DUAL-LOK retention ring are engineered to minimize and repeat POI shift. While no mount is perfect, this brake delivers the consistency you need for hunting or precision shooting where holdover matters.

