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Fusion AMP Rail

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The Wilcox FUSION AMP Rail for the M-4 Type Carbine provides a unique “electrical power management system” to control a line of FUSION accessories that do not feature a battery compartment. The Wilcox FUSION Vertical Grip Module is a Three (3) Volt system that houses a “Quick Change” Grip Power Cassette TM that can be adjusted at any point along the 6 o’clock rail for operational comfort and moves the weapon’s center of gravity for better weapon handling. One quick change of the battery recharges power to all of the attached accessories. The system allows for independent control of the desired accessories and the low-profile design reduces the snag hazard when handling the weapon The electrical conduit on the system is features a robust design that will hold up to the rigors of combat and adverse environmental conditions.


  • Weight: M-4 FUSION AMP Rail TM 0.74 lb, (0.34 kg)
    FUSION Vertical Grip TM approx. 0.50 lb, (0.23 kg)
  • Wilcox / Surefire Weight: FUSION FL Module TM 0.28 lb, (0.13 kg)
    FUSION Laser Module TM approx 0.26 lb, (0.12 kg)



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Returns Policy

You may return most new, unopened items within 15 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.