The Dead Air Wolverine Thread Insert in .35 caliber with a 24mm RH thread pitch is designed for AK-74 rifles, offering compatibility with threads located on the gas or front sight block rather than the barrel. This thread insert, used with the M24 Collar, enhances the versatility of your Wolverine suppressor, making it suitable for Russian or Bulgarian AK-74 and AKS-74U models. Engineered for precision alignment, it ensures reliable performance and adaptability across various AK platforms.