DANIEL DEFENSE
Daniel Defense 0100408030 M4A1 FSP RIS II Handguard 12.25" 2-Piece, Free-Floating Style Made of 6061-T6 Aluminum with Flat Dark Earth Anodized Finish & Picatinny Rail for AR-15
Product overview
About this product
The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. It allows the individual operator to free-float the M203 grenade launcher without additional parts. The Daniel Defense RIS II M4A1 FSP features a cut out in the top rail to accommodate a standard front sight base on a carbine length gas system.
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Frequently Asked Questions
Most orders are processed within 2–3 business days. Delivery time depends on the carrier, destination, and product availability. Tracking information will be emailed once your order ships. Express overnight shipping is not available.
Returns require prior authorization and an RMA number. You must request an RMA within 14 calendar days of delivery, and items must be unused, in new resalable condition, and returned with their original packaging and accessories. Non-defective returns are subject to a 20% restocking fee or $15 minimum, whichever is greater. Some items are final sale. Please review our full Refund & Return Policy for complete details before starting a return.
Warranty coverage is provided by the product manufacturer and varies by brand and product. If an item is defective on arrival, please contact us within 3 calendar days of delivery. After first use, warranty service and repairs are handled directly by the manufacturer according to their warranty terms.
Yes. ShopThermalOptics is an authorized retailer for the products we sell. We work through established manufacturers and distribution partners so customers can purchase with confidence.
We’re deeply grateful to the men and women who serve our country and our communities. Because we already price our products as low as possible, we’re unable to offer additional discounts, including military or first responder discounts. Thank you to all our troops and first responders for your service.