Griffin Silencer GP7 7.62mm Direct Thread Suppressor
The Griffin Armament GP7 7.62mm direct thread suppressor is a versatile, full-auto-rated can built for shooters who want serious sound reduction without compromise. This .30-caliber suppressor handles anything from standard rifle rounds up to .300 Remington Ultra Magnum, making it one of the most flexible cans you can mount on a modern bolt gun or AR-platform rifle. If you're hunting, shooting competitions, or running drills at the range, the GP7 delivers genuine hearing protection in a lightweight package that doesn't bloat your setup.
Built entirely from 17-4 stainless steel and finished in Cerakote, the GP7 is engineered for durability and corrosion resistance in field conditions. Griffin's patented baffle technology keeps the can efficient while keeping weight down to just 15.3 ounces—light enough that you won't notice it on your barrel. The 5/8x24 TPI direct-thread attachment is the industry standard for most .30-caliber rifles, so mounting is straightforward. The suppressor adds just 4.8 inches compared to an A2 compensator and sits at 6.25 inches overall, keeping your rifle manageable in tight spaces.
Flexibility is built in: the GP7 comes pre-drilled with a .125 hole so you can pin it to a barrel as short as 9.5 inches to create a registered one-stamp firearm. Wrench flats on both front and rear (3/4 inch or 19mm) let you mount it traditionally or run it integrated with a forend rail system. The GP7 achieves 31dB of sound attenuation and is rated for full-auto fire on calibers up to .308 Winchester, so it handles whatever you put downrange.
The GP series from Griffin has earned respect among shooters who value real engineering and no-nonsense design over marketing fluff. This suppressor does what it's supposed to do: reduce report, stay dependable, and fit into a serious shooter's budget.
Key Features
- Full-auto rated on calibers up to .308 Winchester; rated for .30-caliber rounds up to .300 Remington Ultra Magnum
- 17-4 stainless steel construction with Cerakote finish for durability and corrosion resistance
- Patented baffle technology for efficient sound reduction (31dB attenuation)
- Lightweight at 15.3 ounces with minimal length addition (4.8" vs. A2 compensator)
- Pre-drilled for pinning; can be mounted on barrels as short as 9.5"
- 3/4" wrench flats on front and rear for traditional mounting or forend-rail integration
- Standard 5/8x24 TPI direct-thread attachment
Specifications
| Caliber Rating | .30 caliber (up to .300 Remington Ultra Magnum) |
| Full-Auto Rating | Yes, up to .308 Winchester |
| Overall Length | 6.25 inches |
| Length Added vs. A2 Compensator | 4.8 inches |
| Diameter | 1.5 inches |
| Weight | 15.3 ounces |
| Material | 17-4 stainless steel |
| Finish | Cerakote |
| Attachment | 5/8x24 TPI direct thread |
| Sound Attenuation | 31dB |
| Wrench Flats | 3/4 inch (19mm) front and rear |
| Minimum Barrel Length for Pinning | 9.5 inches |
Frequently Asked Questions
What calibers can I use this suppressor on?
The GP7 is a .30-caliber suppressor rated for use up to and including .300 Remington Ultra Magnum. It's also full-auto rated on calibers up to .308 Winchester, making it suitable for both semi-auto and full-auto platforms in that range.
Can I pin the GP7 to a short-barreled rifle?
Yes. The suppressor comes pre-drilled with a .125 hole for pinning and can be mounted on barrels as short as 9.5 inches, allowing you to create a registered one-stamp firearm.
What is the attachment type?
The GP7 uses a 5/8x24 TPI direct-thread attachment, which is the industry standard for most .30-caliber rifle barrels.
Can I use the GP7 on a rifle with a rail-mounted forend?
Yes. The suppressor features 3/4-inch (19mm) wrench flats on both the front and rear, giving you options for either traditional mounting or integration with forend-rail systems.
Firearm Shipments:
To buy rifles or shotguns, you must be 18 years old, and for handguns, actions, or receivers, the minimum age is 21. By placing an order for this firearm, you confirm that you are the legitimate transferee/buyer, meet the legal age requirements, and comply with all Federal, State, and local laws and regulations necessary to purchase this firearm.
We only ship firearms to valid Federal Firearms License (FFL) holders. At checkout we provide a FFL locator for your convenience.
We will need a copy of the FFL’s license to facilitate the process, kindly request your dealer to email us a copy of their FFL, as we cannot dispatch the firearm until we receive this document. It is imperative for the buyer to choose their FFL dealer, ensure they are willing to facilitate the transfer, and have them email their FFL copy to BOSQUE Outdoors. To avoid any confusion, the customer's name or order number must be mentioned in the email containing the FFL.
Email: [email protected]
- Prior to placing an order, it is the buyer's responsibility to understand and adhere to their state's firearm regulations.
- The buyer should verify with their receiving dealer that the chosen firearm is legally permissible in their state.
- The buyer is accountable for any transfer fees or background check charges imposed by the receiving dealer. If the designated dealer declines to accept the firearm delivery, the buyer assumes responsibility for shipping costs to retrieve the firearm and resend it to an accommodating dealer.
- Handguns will be shipped using air transportation, while long guns can be shipped using ground methods. If your order includes a mix of firearm and non-firearm items, BOSQUE Outdoors will send the firearm(s) to your selected FFL dealer and the remaining non-firearm items to your billing address.
- Firearms cannot be returned to BOSQUE Outdoors; please contact the manufacturer for warranty claims.
- Firearms refused by the FFL Dealer or which cannot be transferred due to a failed background check are subject to a $75 restocking fee plus 10% of the purchase price.

