CALIBER: 22LR (Belt Fed Rated) 22 WMR 17 HMR 17 WSM 5.7x28mm – DIAMETER: 1.06 – LENGTH: Standard Configuration: 5.25 Short Configuration: 3.25 – WEIGHT: Standard Configuration: 6.9oz; Short Configuration: 4.3oz – FINISH: Cerokote – MATERIALS: – Entirely 17-4PH Stainless Steel – INCLUDES: – 1/2×28 Direct Thread Mount – Oculus 22 Suppressor – ADAPT Module – 22 Front Cap – Front Cap Removal Tool – Operator’s Manual – Oculus Logo Sticker