FAB Defense RBS Rear Back-Up Sight

  • 99280001-1

FAB Defense RBS Rear Back-Up Sight

160 reward points
RRP : £39.95 £31.95Saving you 21%
Reference : 115170
Stock site
In Stock
Reference 115170
Colour Black
Weight 30 g
Product type Flip Up Sight
Material Mil-Spec Polymer
Dimensions 32 W x 14 H x 52 L (mm)
Compatibility M4 / M16 / AR15 & Variants
FAB Defense

The dual aperture RBS rear sight is windage adjustable and can be mounted on all 1913 picatinny rails, but is specialty made for the M4 / AR-15 / M-16 platform and the K.P.O.S.


  • Very low profile & slim design
  • Can be used as primary or back-up sight
  • State-of-The-art ergonomic & ambidextrous design
  • All manual configuration, no tools needed for windage adjustments
  • Durable high grade polymer & metal construction
  • Spring based locking mechanism - will not break or deform
  • Compatible with all 1913 Picatinny rails
  • Design for Live Fire - Will not melt or stick to rails

FAB Defense Lifetime Guarantee:

All FAB Defense Weapon Accessories are backed by FAB's Lifetime Guarantee against faults with the materials or workmanship.  If you have any faults at all through the time you own the FAB Weapon Accessory then UkmcPro will either repair or replace it.  And we mean it.  Normal wear and tear is not covered, nor mis-use or accidental damage.

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UkmcPro is a company dedicated to supplying the best quality Military Kit and Police Equipment where it's needed most, without breaking the bank. With more than 20 years of experience, from procurement of Military Equipment to dealing with individuals, we pride ourselves on our customer service and knowledge of the brands we sell.  UkmcPro has grown over the years from a small Mail Order Catalogue handling Army Surplus to one of Europe's most prominent retailers and a leading force in offering bespoke Tactical Kit.

By prioritising the best Tactical brands we ensure that the Tactical Kit we offer will stand up to the test of Professional use.  Brands such as Blackhawk, Tru-Spec, FAB Defense, Under Armour Tactical, Bulldog Tactical Gear, Smith Optics Elite, Vertx, Snugpak, Camelbak, Ka-Bar, Gerber, Leatherman and more. UkmcPro are stockists of top quality gear designed for Special Forces & Armed Response Units such as Tactical Clothing, Combat Clothing, MTP MOLLE Pouches, Plate Carriers, MOLLE Chest Rigs, MIlitary Boots, Load Carrying Systems, Military Webbing, Sleeping Bags, MIlitary Daysacks, Camping Equipment, LED Torches, Multi-Tools, Mag Pouches, MTP Trousers & Clothing, Multicam Gear, SAS Smocks, Tactical Gloves, Weapon Accessories, Army Rucksacks, MOLLE Belts, Assault Vests, Thermal Base Layers, Ballistic Glasses, Tactical Goggles, Pistol Holsters for Glock, UBACS Shirts, Protective Knee Pads, Morale Patches, Camping Knives, Combat Belts, Tactical Caps, Ghillie Suite, Camo Accessories, Rifles Scopes, Glock Accessories,  and much much more.