Griffin Armament GP Series
The Griffin Armament GP (General Purpose) series provides compact, versatile QD rifle suppressors in both 5.56mm and 7.62mm calibers with multiple configurations. The GP5 covers 5.56mm, the GP7 covers 7.62mm, and the GP-N and GP-N LE are compact/suppressor-host variants. All use Griffin's GATE-LOK™ QD mounting system, compatible with USGI A2 spec compensators and Griffin's proprietary GATE-LOK muzzle devices. Constructed from 17-4 PH stainless steel. Full-auto rated. Manufactured in Watertown, WI.
GP Variants
Model | Caliber | Notes |
GP5 | 5.56mm / .22 cal | Compact GP can for 5.56mm platforms |
GP7 | 7.62mm / .30 cal | Compact GP can for .30 cal platforms |
GP-N | 5.56mm / 9mm | Compact suppressor-host configuration |
GP-N LE | 5.56mm / 9mm | Law enforcement variant of the GP-N |
Shared Specifications
Construction | 17-4 PH stainless steel; tube-over fully welded design |
Mounting | GATE-LOK™ QD — compatible with USGI A2 spec compensators and Griffin proprietary muzzle devices |
Full Auto Rated | Yes |
Manufacture | Watertown, WI |
Key Features
Four configurations: GP5 (5.56mm), GP7 (7.62mm), GP-N, and GP-N LE — covering both rifle calibers and suppressor-host applications
GATE-LOK™ QD: wear-free, ratchet-free mounting; compatible with standard USGI A2 flash hiders with no proprietary modification required
Tube-over fully welded 17-4 SS construction — the same robust architecture used across the M4SD and 30 SD-K families
Full-auto rated; no barrel length restrictions