Fab Defense Fx-fbs Front Back-up Sight for AR-15/M16/M4
SKU: C01-NAfxfbs Product ID: 74721
FAB Defense FXFBS Front Back-Up Sight for AR-15/ M16/ M4 Low Folded Profile Spring-Locked Deployment Black Polymer & Metal
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Product information
FBS is an advanced, low-profile, durable, auxiliary front sight. It can be used with any rear sight, but has been designed to provide an extreme optical advantage. Its sight pin elevation is easily and quickly adjusted without tools. The FBS 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 rear sight. When used with a matching FAB Defense RBS Rear Back-up Sight, it creates a precise optical tunnel that ensures more accurate aiming and faster target acquisition. The low folded profile is smooth and inconspicuous and will not snag on gear, webbing or brush. 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.
Specifications
- Brand
- Fab Defense Inc.
- Model
- Front back-up sight
- Category
- Dots
- SKU
- C01-NAfxfbs
- Product ID
- 74721
More specifications (9)
- Gun sight type
- Iron sight
- Gun sight weapon fit
- Ar-15 m4 m16
- Type
- Flip up front
- Frame material
- Polymer/metal
- Frame color
- Black
- Firearm fit
- Ar-15
- Style
- Flip up back up
- Front color
- Black
- Firearm type
- Ar platform
Shipping / FFL
Shipping and receiving dealer information.
Important: Firearm purchases are shipped to a licensed receiving FFL dealer for transfer. Customers provide the receiving dealer details during checkout.
- Shipping Type
- Ships to receiving FFL
- Dealer Information
- Provided manually at checkout
- FFL Locator
- Not included
- Processing Time
- Typically 1–3 business days
- Delivery Method
- Carrier shipment to licensed dealer
- Transfer Requirement
- Background check completed at receiving dealer
- Customer Responsibility
- Confirm dealer availability before ordering
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