Product Description Made with steel, our Direct Thread Mounts will adapt your firearm to any industry standard HUB mount (1.375"x24) suppressor. The external hex requires no special tools for installation or removal. 5/8-24 Direct Thread HUB Mount at CMMG Browse all CMMG deals $79.95 In Stock at CMMG Buy Now at CMMG Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand CMMG CMMG