Will the GrovTec G-Comp GTHM361 require a gunsmith to install on my standard 1911?

No gunsmithing or threaded barrel is required for the GrovTec GTHM361. It features a direct drop-in design that replaces your standard factory barrel bushing, allowing for straightforward installation.

What specific firearms and calibres are compatible with the GrovTec GTHM361 compensator?

The GTHM361 is engineered specifically for standard .45 ACP semi-automatic 1911 pistols utilizing a government-style barrel bushing setup. It is not configured for bull-barrel configurations, non-bushing designs, or pistols with non-standard slide profiles.

What materials and finish are used on the GrovTec G-Comp to withstand high firing temperatures?

The GrovTec G-Comp is machined from a solid piece of heavy-duty steel and treated with a durable black nitride finish. This construction provides robust resistance against corrosion and the high heat generated during standard pistol firing schedules.

Are there any specific Australian legal requirements I need to be aware of when purchasing this muzzle compensator?

Yes, under Australian state and territory firearm legislation, muzzle compensators are treated as firearm accessories or parts. Buyers must hold a valid Category H firearms licence for handgun ownership and parts, and compliance will depend on state-specific firearm modifications and overall handgun length constraints.

1911 Muzzle Compensator - Grovtec GTHM361

The GrovTec G-Comp 1911 Muzzle Compensator (part number GTHM361) is a direct-fit muzzle device engineered to reduce muzzle flip and perceived recoil on stock government-profile 1911 handguns. Machined from solid one-piece steel and treated with a protective black nitride finish, it installs as a direct replacement for the factory barrel bushing. This design redirects escaping propellant gases vertically through upward-facing ports to keep the handgun shooting flat during rapid fire, delivering the functional benefits of a compensator without requiring custom gunsmithing or a threaded barrel.

Key Features

Drop-In Bushing Installation: Directly replaces the standard factory 1911 barrel bushing for a simple DIY installation that requires no barrel threading or permanent modifications.
Vertical Porting: Features upward-facing compensator ports designed to redirect high-pressure propellant gases upward, actively counteracting muzzle climb.
Machined Steel Construction: Built from a single piece of machined steel with a corrosion- and heat-resistant black nitride finish to withstand standard pistol firing schedules.
No Gunsmithing Required: Retains a flush-fit aesthetic and mechanical compensation on standard government barrel bushing setups.

Product Specifications

Product Type: 1911 barrel bushing muzzle compensator
Manufacturer Part Number: GTHM361
Calibre Compatibility: .45 ACP
Platform Compatibility: Standard/stock government-style 1911 pistols with standard barrel bushings
Material: One-piece machined steel
Finish: Black Nitride
Mounting Interface: Factory barrel bushing replacement
Packaged Dimensions: 1.75 in x 2.95 in x 5.55 in (approx. 44.5 mm x 74.9 mm x 141.0 mm)
Power Requirements: None (mechanical firearm accessory)

Who is the GrovTec G-Comp 1911 Muzzle Compensator for?

Handgun practical shooting competitors — needing flatter muzzle tracking on standard .45 ACP 1911 platforms, using upward-venting gas ports to reduce muzzle flip without altering the factory slide assembly.
Target shooters — wanting quicker sight recovery and recoil reduction on .45 ACP handguns through a drop-in 1911 barrel bushing muzzle compensator that requires no threaded barrel installation.

Less suitable for: Handguns with non-bushing designs such as bull-barrel configurations, thick target barrels, or non-standard slide profiles; shooters running threaded competition barrels are better served by dedicated screw-on compensators.

SKU	GT40843LP
Model #	GTHM361
Brand	Grovetec
Shipping Weight	1.0000kg

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Grovtec Gthm361 G Comp 1911 Muzzle Compensator Black Nitride Steel

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