X-Ring RDS
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X-Ring RDS

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The X Ring Rail-mounted Data System, or RDS, was designed to conveniently locate your ballistic data in a position that can viewed without moving out of your shooting position. It is simple to position and doesn't move under recoil. It also folds out of the way for ease of storage when not in use. The lightweight reinforced crystalline polymer bodies, along with stainless steel and brass fasteners, make it durable and able to withstand chemicals and weather conditions.

Simply position the RDS on your Picatinny rail and tighten the socket head cap screws. The friction pivot joints are pre-set and should not require adjustment.

Ballistic data can be recorded on the provided blank DOPE cards, or written directly on the vinyl protective sleeve with either a wet erase pen, map pen, or grease pencil.                           


  • Mounts directly to Picatinny rail
  • Low profile - will fit under low optics
  • Light weight yet strong reinforced crystalline polymer bodies
  • Stainless steel and brass fasteners
  • Friction pivot joints hold in any position
  • Chemical and corrosion resistant
  • Designed, manufactured, and assembled in USA

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Shipping & Returns

Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.