Griffin Armament 30SD Flash Comp Compensator Suppressor Mount, 5/8"-24 Thread, 7.62mm, Stainless Steel Nitride

The Griffin Armament 30SD Flash Comp is a precision-engineered muzzle device built to mount directly to 7.62mm centerfire rifles threaded 5/8"-24—the industry standard for thirty-caliber platforms. Designed as a quick-detach interface for Griffin's 30SD and M4SD suppressor line, this compensator gives you a rock-solid connection point for serious sound reduction while managing recoil and blast signature on the range or in the field. The Flash Comp executes two jobs at once: it tames muzzle flash while working as the mounting hub for your silencer, so you're not paying for redundant hardware.

Built from 17-4 precipitation-hardened stainless steel and finished in tough black oxide, the 30SD Flash Comp is made to handle repeated attachment cycles and hard use without degradation. The design eliminates wear-prone geometry that trips up lesser muzzle devices, and an integral over-travel stop pin keeps everything indexed correctly—critical when you're threading a suppressor on and off. Griffin includes a shim set for headspace tuning, so you can dial in a perfect fit without guesswork or multiple trips to your gunsmith.

If you're building a 7.62mm precision rifle, short-range hog gun, or suppressed hunting rifle and you already run a Griffin silencer, this flash comp is the purpose-built anchor point. It threads on, the pin seats flush, and your suppressor clicks home every time. For pinning and welding, the pre-fit rear pin is ready to go—just screw and press.

Key Features

• Quick-detach mount for Griffin 30SD and M4SD silencers and QD Blast Shield
• 5/8"-24 thread pitch for standard 7.62mm rifle compatibility
• 17-4 precipitation-hardened stainless steel construction with black oxide finish
• Integral over-travel stop pin for repeatable suppressor indexing
• Pre-fitted pin for gunsmith pin-and-weld applications
• Includes shim set for precision headspace adjustment
• CNC-machined and ground for tight tolerances

Specifications

Frequently Asked Questions

Will this mount work with my Griffin silencer?

Yes, the 30SD Flash Comp is designed to interface with Griffin Armament's 30SD and M4SD series suppressors, as well as the QD Blast Shield. It provides the quick-detach mounting point for those systems.

What rifles does the 5/8"-24 thread fit?

The 5/8"-24 thread pitch is the industry standard for most 7.62mm centerfire rifles, including AR-10 platform rifles and bolt-action thirty-caliber guns. Verify your rifle's thread pitch before ordering.

Can I pin and weld this device?

Yes. The 30SD Flash Comp includes a pre-fitted rear pin for pin-and-weld permanent installation. A gunsmith simply threads it on and presses the pin flush.

What's included in the box?

The muzzle device comes with a shim set for headspace adjustment and the pre-fitted pin for pinning and welding.