These compensators are specifically designed for the Sig P320 factory threaded barrels (M13.5 x 1 LH) to work with factory +p ammunition or 9mm major ammunition. Made from USA sourced aluminum and anodized for a light weight, long lasting compensator to tame muzzle flip and soften recoil. 1.32oz.
*Not for use with barrels threaded in 1/2 x 28.