Description
The GrovTec G-Comp is a purpose-built muzzle compensator for .308 and 7.62 rifles running a 5/8-24 threaded barrel. Its job is straightforward: redirect the propellant gases coming off your muzzle to fight back against recoil and muzzle rise. The result is a rifle that stays flatter through the shot and settles faster for your follow-up, which matters whether you're ringing steel at distance or working through a hunting scenario where a quick second shot counts.
What Makes the G-Comp Worth Bolting On
GrovTec machines this compensator from solid steel rather than lighter, softer materials, so it holds up to the heat and pressure a .308 throws at it. The black nitride finish does more than look good sitting on the end of your barrel. Nitride is a hard, corrosion-resistant treatment that helps the compensator shrug off carbon fouling and stand up to the elements, which means less fuss when it comes time to clean and a device that keeps performing season after season.
Fitting the G-Comp to Your .308
The 5/8-24 thread pitch is the standard for .308 and 7.62 caliber barrels, so if your rifle is already threaded for a muzzle device, this one drops right into place. GrovTec includes a crush washer in the box, which lets you crank the compensator down to the correct clocking without needing shims or extra hardware. A little bit of anti-seize on the threads and a torque wrench will have you set up in a few minutes at the bench.
Real-World Feel Behind the Rifle
A .308 has a real thump to it, and a good compensator takes the edge off that push while keeping the sights closer to where they started. That translates to steadier shooting over a long range day and less fatigue when you're running a full box or two. It's a simple, well-made upgrade that earns its keep for target work, competition, and hunting rifles alike.
Key Specifications
- Manufacturer: GrovTec
- Model: G-Comp
- Manufacturer Part Number: GTHM316
- UPC: 811071013420
- Caliber: .308 Win / 7.62x51mm NATO
- Thread Pattern: 5/8"-24 tpi
- Device Type: Muzzle Compensator
- Material: Machined Steel
- Finish: Black Nitride
- Color: Black
- Length: 5.05 in
- Shipping Weight: 0.275 lb
What’s Included
- GrovTec G-Comp .308 Muzzle Compensator (GTHM316)
- Crush washer
Frequently Asked Questions
What barrels does the GrovTec G-Comp .308 fit?
The G-Comp uses a 5/8-24 thread pitch, which is the common standard for .308 Winchester and 7.62x51mm NATO barrels. As long as your muzzle is threaded 5/8-24, it will thread right on. Double-check your barrel's thread spec if you're unsure before ordering.
Does the G-Comp compensator come with a crush washer?
Yes. GrovTec includes a crush washer in the box so you can properly clock and time the compensator during installation. You won't need to buy separate shims or a peel washer to get it set up correctly.
Is the G-Comp a compensator or a muzzle brake?
GrovTec markets it as a compensator, and it works by redirecting propellant gases to counter both muzzle rise and felt recoil. Some retailers list it under muzzle brakes since the two categories overlap, but the goal is the same: keeping your rifle flatter and more controllable shot to shot.
What is the black nitride finish good for on the G-Comp?
Black nitride is a hard, corrosion-resistant surface treatment applied to the machined steel body. It helps the compensator resist carbon buildup and rust while standing up to the heat and pressure at the muzzle. It also makes cleanup easier after a range session.




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