Allows you to reuse factory ghost ring sight – Simple solution for mounting optic red dot and ammunition storage – Leaves the classic look and feel of the firearm – Includes 3 MI-USH universal shell holders – Shell holders can be positioned vertically or horizontally – Up to 6 rounds can be positioned for storage – Nylon-tipped stainless steel set screws protect the side of your firearm’s receiver in the chance of a side impact – Rail is constructed from Hard Coat Anodized 6061 Aluminum for a lifetime of service – Includes mounting screws – Patent Pending – Made in the USA – Lifetime Warranty – Works with Smith & Wesson 1854