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Details about  FAB Defense FRBS-BLK Front & Rear Flip-Up Polymer Tactical Back-Up Sights – NEW

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FAB Defense FRBS-BLK Front & Rear Flip-Up Polymer Tactical Back-Up Sights – NEW
Item Ended
20 Nov, 2014 17:21:33 GMT
US $89.95
Approximately £59.74(including postage)
Free Economy Delivery | See details
Item location:
Encino, California, United States


eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  19 May, 2014 17:48:34 BST  View all revisions

Item specifics

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition
Brand: FAB Defense
MPN: FBS and RBS BUIS Combo Set 5.56 223 Rifle ar KPOS Model: FBS-BLK & RBS-BLK
Country/Region of Manufacture: Israel

FAB Defense FRBS-BLK Front & Rear Flip-Up Polymer Tactical Back-Up Sights

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The FAB Defense FRBS-BLK Front and Rear Flip-Up Back-Up Sights are the most advanced, low-profile, polymer Back-up Sights, made for optimum performance and durability.

The dual aperture RBS rear sight is windage adjustable and the FBS can be adjusted for elevation. They can be mounted on all 1913 picatinny rails, including 5.56/.223 rifles.

Note: these sights are not spring-loaded, however they do lock in place when folded or deployed.

Made in Israel


  • All 1913 Picatinny rails
  • Not Recommended to mount front sight on railed gas blocks


  • Very low profile & slim design
  • Same height as A1/A2 front sights
  • Can be used as primary or back-up sight
  • Sleek new design with no protruding parts, will not get caught on gear and webbing
  • All manual configuration, no tools needed for elevation adjustments
  • Extremely durable high grade polymer & metal construction
  • Spring based locking mechanism - will not break or deform


  • Front
    • Weight: 0.88oz (30 gr)
    • Width: 1.26" (32mm)
    • Height: 0.55" (14mm)
    • Length: 2.05" (52mm)
    • Height (open / deployed) : 1.65" (42mm)
    • Length (open / deployed): 1.18" (30mm)
  • Rear
    • Weight: 0.88oz (30 gr)
    • Width: 1.26" (32mm)
    • Height: 0.55" (14mm)
    • Length: 2.05" (52mm)
    • Height (open / deployed) : 1.65" (42mm)
    • Length (open / deployed): 1.18" (30mm)
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