Griffin Armament Optimus Micro Suppressor — .22 LR, 1/2×28

The Griffin Armament Optimus Micro is a compact, adaptable suppressor engineered for rimfire applications and configurable for additional calibers depending on mount and barrel length. Machined from heat-treated 17-4PH stainless steel with a black nitride finish, the Optimus Micro ships with a 1/2×28 direct thread mount. Patented interlocking HEDP baffle technology and a dual taper locking front cap are designed to deliver durable, repeatable performance across its supported configurations. Manufacturer materials note specific caliber ratings vary by mounting method and barrel length.

Key Specifications

• The thread pattern is 1/2×28 tpi.
• The listed caliber/gauge is .22 LR.
• The diameter is 1.1 inches.
• The overall length (standard configuration) is 5.30 inches.
• The model name is Optimus Micro.
• The standard configuration weight is 8.5 oz.
• The construction material is 17-4PH stainless steel.
• The finish/color is Black.
• Included accessories: 1/2×28 direct thread mount.
• The product type is suppressor.

Designed for range use, training, and small-bore precision work, the Optimus Micro balances a minimal footprint with robust construction. Its included direct-thread mount and patented baffle system provide straightforward installation and durable performance across compatible hosts and mounting options. For shooters seeking a compact, well-engineered suppressor that adapts to multiple configurations, the Optimus Micro offers a practical, thoughtfully designed solution.