Griffin Armament Optimus Micro | .22 LR | 1/2-28 DT

The Griffin Armament Optimus Micro is a compact, purpose-built suppressor engineered around a 17-4 stainless steel core and black nitride exterior. It ships in a standard direct-thread configuration and includes a 1/2-28 direct thread mount. The Optimus Micro emphasizes durability and orientation-stable baffle geometry for consistent performance across its intended operating envelope.

Common applications for this unit include precision rimfire target work and small-game/varmint field use where a compact, robust suppressor is advantageous. The included direct-thread mount makes it suitable for pistols and rifles threaded 1/2-28.

Product Specifications

• The manufacturer is Griffin Armament.
• The model is listed as Optimus Micro.
• The listed primary caliber is .22 LR.
• The thread pattern is 1/2-28 tpi.
• The material is 17-4PH stainless steel.
• The finish/color is listed as Black Nitride.
• The standard configuration weight is 8.5 oz.
• The standard configuration overall length is 5.3 inches.
• The outside diameter is 1.1 inches.
• The suppressor includes a direct thread mount (1/2×28) in the box.
• The package includes tube body, end cap, lock ring, five baffles, direct-thread mount, manual, and microfiber pouch.
• The taper-mount configuration is listed as 10.5 oz and 6.8 inches long with a 1.2″ OD (requires separate taper mount accessories).
• The 3-lug QD configuration is listed as 10 oz and 5.5 inches long with a 1.2″ OD (3-lug kit sold separately).
• Documented sound levels include ~115 dB SPL on 22LR pistols and ~116 dB SPL on 22LR rifles, with higher measured levels on larger calibers in unsupported configurations.
• The UPC is 791154083116.

The Optimus Micro pairs a compact footprint with durable stainless construction and orientation-stable baffle technology for consistent performance in rimfire applications. Its included 1/2-28 direct-thread mount and lightweight package make it an easy choice for shooters who prioritize a low-profile suppressor for target work and small-game field use.