Rugged Suppressors Oculus 22 with ADAPT Modular Technology, Rimfire Suppressor, 22 LR to 5.7X28mm, Lenght: Standard Configuration: 5.25, Short Configuration: 3.25, Weight: Standard Configuration: 6.9oz, Short Configuration: 4.3oz, Entirely 17-4PH Stainless Steel, 1/2X28 Direct Thread Mount, Flat Dark Earth OCUFDE22