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Offset Folding Backup Sights Kit for M4 / AR15, Left & Right Hand, FRBS – FAB Defense

FAB Defense FRBS Offset Folding Backup Sights Kit compatible with 1913 MIL-STD Picatinny rails for reliable performance.

SKU:

fx-frbsos

$84.50$91.50

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Description

Equip your firearm with the reliable FAB Defense FRBS Offset Folding Backup Sights Kit. Designed for shooters who need a compact and effective backup sighting solution, these offset sights work perfectly in CQB (Close Quarters Battle) scenarios. The Offset Folding Backup Sights allow you to transition seamlessly from magnified optics to a secondary sighting option, keeping you prepared for any situation. With their durable construction and user-friendly design, these sights deliver both performance and convenience.

FAB Defense builds the FRBS Offset Sights with a lightweight yet robust structure, combining fiberglass-reinforced polymer with metal components. This design ensures durability while keeping your firearm lightweight. You can mount them directly onto a 1913 MIL-STD Picatinny rail, and they come in both right and left-side variations to maximize versatility.

You don’t need any tools for adjustments, making it quick and easy to fine-tune these sights. The rear sight (RBS) lets you adjust windage manually, while the front sight (FBS) allows for manual elevation adjustments. Their sleek, low-profile design minimizes protrusions and reduces the risk of snagging.

Upgrade your firearm with the FAB Defense FRBS Offset Folding Backup Sights Kit and enjoy superior reliability and performance.

 

Offset Folding Backup Sights – Features:

  • Designed as a backup sight for use with magnified optics in CQB scenarios.
  • Sleek, low-profile design with minimal protruding parts.
  • Tool-free elevation and windage adjustments for quick tuning.
  • Rear sight (RBS) manually adjusts for windage.
  • Front sight (FBS) manually adjusts for elevation.
  • Available in right and left-side versions for user preference.
  • Made from durable fiberglass-reinforced polymer and metal.
  • Compatible with 1913 MIL-STD Picatinny rails.

 

Compatibility

  • 1913 MIL-STD Picatinny rail.

To view the full FAB Defense catalog, click here.

Additional Information

Weight 0.55 kg

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