Other Details Manufacturer: Gemtech Manufacturer Part Number: 12155 Adjustable Objective: False Caliber/Gauge: .308 / 7.62 NATO canDropship: True Color: Black Description: 5/8X24 Drilled and Tapped: False Illuminated Reticle: False Model: QUICKMOUNT NFA Thread Pattern: 5/8x24 Product Type: Accessory-Muzzle Brakes Scope Cover Included: False Subcategory: Muzzle Devices