Griffin Armament Checkmate HD
The Griffin Armament Checkmate HD is Griffin's premium rimfire suppressor, rated up to 5.7×28mm. It features an extensively developed baffle system with zero first-round pop, market-leading sound pressure levels on both rifles and pistols, and full-auto rating for all rimfire calibers. User-serviceable for easy cleaning. Ships with an EZ-LOK™ 1/2×28 barrel adapter and is field-ready out of the box. Optional CAM-LOK® rear mount and Direct Thread Adapter accessories available.
Specifications
Caliber Rating | .22 LR, .22 WMR, .17 HMR, 5.7×28mm, and all common rimfire calibers |
First Round Pop | Zero — extensive baffle workup eliminates FRP |
Mount (included) | EZ-LOK™ 1/2×28 barrel adapter — field ready out of box |
Optional Accessories | CAM-LOK® rear mount with various thread pitch barrel adapters; Direct Thread Adapter 1/2×28 |
User Serviceable | Yes |
Full Auto Rated | Yes (all rimfire calibers) |
Key Features
Zero first-round pop — extensively developed baffle system eliminates the loud initial shot common to many rimfire suppressors
Market-leading SPL on rimfire rifles and pistols
Rated up to 5.7×28mm — broader caliber coverage than most rimfire cans
Full-auto rated for all rimfire calibers
Ships with EZ-LOK™ 1/2×28 adapter — immediately ready for most rimfire hosts
Simple accessory ecosystem: only EZ-LOK adapters and optional CAM-LOK rear mount required — easy for end users to understand and use
User-serviceable for long service life