Griffin Armament Optimus 6 AM Suppressor (Nickel 625X(TM)), .22cal/5.56mm & 6mm, High Temp Cerakote Finish Overview: The Griffin Armament Optimus 6 AM is a 6mm bore suppressor built from Griffin's proprietary Nickel 625X(TM) superalloy, engineered for use on 5.56mm platforms as well as 6mm ARC applications with optimal bore clearance. It's designed around an ultra-low backpressure core paired with an ultra-low flash signature, and ships with the user's choice of Taper Mount, DUAL-LOKA(R), or Utility Mount (HUB 1.375x24) attachment systems. The can is finished in High Temp Cerakote and rated for full-auto use. Key Features: 3 Mounting Options: DUAL-LOKA(R), Taper Mount, or Utility Mount (HUB 1.375x24 TPI) 1.73" Tube Diameter: Increased internal volume for performance Additive Manufactured Construction: Built from Nickel 625X(TM) superalloy Ultra Low Backpressure Core: Minimizes system backpressure Ultra Low Flash Signature: The lowest flash option in the Optimus lineup Finish Options: Available in Black or FDE High Temp Cerakote Full Auto Rated: Yes Specifications: Manufacturer: Griffin Armament Model: Optimus 6 AM Category: Suppressor Caliber Compatibility: .22cal (5.56mm), 6mm Mount Type: User's choice of DUAL-LOKA(R), Taper Mount, or Utility Mount (HUB) Materials: Nickel 625X(TM), 17-4 Stainless Steel, Inconel 718 Finish: High Temp Cerakote Diameter: 1.73" (all models) Overall Length: 6.45" (Taper Mount), 6.5" (DUAL-LOKA(R)), 5.75" (Utility Mount HUB) Weight: 16.1 oz (HUB model), 18.3 oz (DUAL-LOKA(R) model) Distance to Blast Baffle (HUB): 1.70" User Serviceable: No Applications: Ideal for 5.56mm platforms and 6mm ARC rifles in tactical, duty, and low-backpressure shooting applications where reduced flash signature is a priority. Additional Features: EZ-Brake(TM) (.22cal - 1/2x28) is included with DUAL-LOKA(R) and Taper Mount models (GAOP6DLAM-W , GAOP6DLFDEAM-W , GAOP6TMAM-W , GAOP6TMFDEAM-W) Utility Mount (HUB) models do not include a muzzle device or HUB insert - these must be purchased separately (GAOP6UMFDEAM-W , GAOP6UMAM-W) Backed by Griffin Armament's Perpetual Lifetime Warranty(TM) MPN: GAOP6UMAM-W Check out our special deals on 5.56mm Ammo.