Product Description The Ultradyne USA ATHENA Linear Compensator is designed to direct gases forward to improve shooter comfort while also optimizing muzzle rise control. ATHENA provides an accessible upgrade path to the Ultradyne Dynamount Sighting System, with indexing compatibility to support standard upright alignment or a 45-degree offset. Precision CNC-machined from durable 416 stainless steel and protected by a rugged nitride finish, it includes a timing nut for straightforward installation and proper indexing. Product Highlights Linear compensator design vents gases forward to help reduce blast and concussion felt by the shooter Dynamount-ready indexing slots support integration with Ultradyne&&';;s Dynamount Sighting System 5/8x24 thread pitch for common .30-caliber platforms and AR-10 style rifles CNC-machined 416 stainless steel construction with nitride finish for strength and corrosion resistance Includes timing nut (shrouded) to simplify installation and ensure proper timing/indexing Specs Product Type: Linear compensator / muzzle device Thread Pitch: 5/8x24 Caliber Compatibility: .308 / 7.62 or smaller Material: 416 stainless steel Finish: Salt bath nitride Color: Black Included Accessory: Shrouded timing nut Length: 1.70 in Outside Diameter: 1.10 in Wrench Flats: 1 in Weight: 4.60 oz (brake only); 5.56 oz (total) UPC: 851019008293 Manufacturer Part Number: UD10690 Brand: Ultradyne USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.