The Dead Air Wolverine Thread Insert in .35 caliber with a 1/2-28 thread pitch is ideal for most .223/5.56mm rifles, offering unmatched versatility for your Wolverine suppressor. Designed to work seamlessly with the M14 Collar, this thread insert ensures precision alignment and optimal performance. Expand the compatibility of your Wolverine suppressor with this robust and reliable thread insert, tailored to fit a wide range of modern firearms.