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GrovTec built the G-Brake as a straightforward, no-nonsense answer for guys running .308 Win or 7.62×51 NATO rifles who want less muzzle jump between shots. It's machined from a single piece of steel rather than pieced together, which keeps things simple to install and tough enough to handle years on an AR-10 or DPMS-pattern gun. The black finish matches up with most factory barrels and handguards without looking out of place.
Like the rest of GrovTec's muzzle device lineup, the G-Brake redirects propellant gas as it leaves the barrel to fight back against recoil and the barrel's tendency to climb after the shot breaks. That means faster recovery between rounds and an easier time keeping your sight picture on target, especially useful if you're running a suppressor-ready setup or just want a little less punishment on the shoulder during a long range day.
This version is cut for the 5/8×24 thread pitch found on most .308 and 7.62 NATO barrels, so it drops right onto AR-10 style rifles and other .30 caliber platforms using that same thread standard. A crush washer ships with it so you can index the brake correctly without hunting one down separately, and it plays nice with a standard armorer's wrench for install or removal down the road.
GrovTec has been machining hardware out of Wood Village, Oregon for years, and the G-Brake carries that same focus on tight tolerances and parts that don't quit. It's a straightforward upgrade for anyone looking to swap out a factory flash hider or bare threads for something that actually pulls double duty on recoil control.
This version of the G-Brake is built for .308 Winchester and 7.62x51mm NATO rifles with a 5/8×24 thread pitch. That covers most AR-10 pattern and DPMS-style rifles running that standard threading.
Yes, a crush washer ships with the G-Brake so you can properly index and time the brake during install. You'll still want a barrel vise and armorer's wrench on hand to get it torqued down correctly.
Both work by redirecting propellant gas to cut down on recoil and muzzle rise, but the G-Brake is a one-piece steel design while the G-Comp uses a slightly different port layout. Either one gets the job done, so it often comes down to personal preference on looks and port style.
If your barrel is threaded 5/8×24, which is standard for most .308 and 7.62 NATO builds, the G-Brake should thread on without issue. Just double check your barrel's thread spec before ordering since some .308 rifles use different pitches.
| UPC | 850001279208 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GTHM363 |
| Caliber/Gauge | .308 / 7.62 NATO |
| Color | Black |
| Model | |
| Product Type | Muzzle Brake |
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