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Home / Optics / Iron Sights / Rifle & Shotgun Sights / FAB Defense FXRBS Rear Back-Up Sight for AR-15/ M16/ M4 Dual Aperture Low Folded Profile Spring-Locked Deployment Black Polymer & Metal

FAB Defense FXRBS Rear Back-Up Sight for AR-15/ M16/ M4 Dual Aperture Low Folded Profile Spring-Locked Deployment Black Polymer & Metal
Item #: 107066 UPC #: 7290105941992 Availability: In Stock

FAB Defense FXRBS Rear Back-Up Sight for AR-15/ M16/ M4 Dual Aperture Low Folded Profile Spring-Locked Deployment Black Polymer & Metal

$57.28
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FireArmNo
Firearm FitAR-15
TypeFolding Rear
StyleFolding Rear Sight
Frame MaterialPolymer/Metal
Firearm TypeAR Platform
Windage AdjustmentYes
Frame ColorBlack
The RBS is an advanced, low-profile, durable, auxiliary rear sight. It can be used with any front sight, but has been designed to provide an extreme optical advantage. It is readily mounted on any 1913 Picatinny rail, making it ideal for use on M4/AR-15/M-16 platforms. The sight can be used as a primary or back-up sight and the ergonomic angel-wing-shaped front shroud helps center the image with any front sight. The low folded profile is smooth and inconspicuous and will not snag on gear, webbing or brush. The dual apertures are 3mm for longer eye relief mounting, low light and faster target acquisition and 1.5mm for shorter eye relief mounting and greater accuracy. The sight is also made of extremely durable high-grade polymer and metal and has an instant spring-locked deployment mechanism that will not slip, break or deform.

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Questions about this product

How fast do orders ship?

Orders ship within 3 to 10 business days from our store or a distributor warehouse by UPS, FedEx, or USPS. Flat rate shipping is $10.95 an order to the lower 48 states. Firearms ship only to a licensed FFL dealer.

What is your return policy?

All sales are final on firearms, ammunition, and optics. Canceled or returned orders are subject to a 15% restocking fee. Call us at 580-774-0396 before sending anything back.

Is there a warranty?

New firearms ship in the original box with the manufacturer's warranty, and warranty work goes back to the factory within one year of purchase. Accessories carry their own manufacturer warranty.

Where do you ship?

We ship to the lower 48 states only. Ammunition ships ground with an adult signature required, and your billing and shipping addresses must match.

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FAB Defense FXRBS Rear Back-Up Sight for AR-15/ M16/ M4 Dual Aperture Low Folded Profile Spring-Locked Deployment Black Polymer & Metal FAB Defense FXRBS Rear Back-Up Sight for AR-15/ M16/ M4 Dual Aperture Low Folded Profile Spring-Locked Deployment Black Polymer & Metal $57.28
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