

We offer free standard shipping to every province and territory in Canada.
We offer free standard shipping to every province and territory in Canada. No minimum purchase is required, and all orders include tracking for your convenience.
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.
Deliveries to Canada’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
Upgrade your Mossberg shotgun with a purpose-built receiver rail that provides a secure platform for optics while keeping the front bead sight accessible. The NcSTAR MSHRCVMOS rail is crafted for a low-profile fit, helping you align sights and optics without crowding the top of the receiver.
From the moment you handle it, you’ll notice the compact profile and tight tolerances that matter in the field. The rail attaches to Mossberg 500/590 receivers using standard mounting points, making setup straightforward without complex tools. When you’re at the range or in the field, the see-through channel lets you glance at the bead sight without losing your optics line of sight, supporting quick target acquisition in dynamic scenarios.
Attach a red dot, holographic sight, or magnified optic to optimize target acquisition for range practice, competition, or hunting scenarios. The mount’s geometry supports quick re-aiming, and the preserved bead provides continuity should you prefer a traditional sighting reference.
Note: This rail is designed to fit Mossberg 500/590 receivers and is intended to expand mounting options while maintaining a classic front sight reference. Consider compatibility with your specific model and add appropriate optics hardware as needed to complete the setup.
Q: Which shotgun models is this rail compatible with?
A: Designed for Mossberg 500/590 receivers; enables optics mounting without blocking the front bead sight.
Q: Does it require batteries or tools to install?
A: No batteries required; simple installation using standard mounting points (no electronics).
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.
Thanks for subscribing!
This email has been registered!
| Product | SKU | Description | Collection | Availability | Product type | Other details |
|---|