MCKRBUS | Rear Flip Back Up Sight
(340 customer reviews)

MCKRBUS | Rear Flip Back Up Sight


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The MCKRBUS Rear Flip Back Up Sight is an operator selectable aluminum & steel rear sight conveying maximum usefulness and quality with least mass at a value that is significantly smaller than its size. The flexible Rear Flip-Up Sight adjusts to all Picatinny rail mounting applications, including the standard military A2 style; all are adjustable for windage.

  • Super low profile sights – Manufactured from aircraft grade aluminum
  • Spring loaded push button to raise the sights
  • Designed to ensures consistent shots on target
  • Rigid Picatinny mount, eliminates any wobbling
  • The large aperture is designed to be used for CQB and low light conditions


Related Info

WARNING: Observe safe firearm handling practices at all times. Failure to do so may result in serious bodily injury or death. CAA USA shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product.

Weight 1 lbs
Dimensions 8.5 × 12 × 2 in

340 reviews for MCKRBUS | Rear Flip Back Up Sight

Based on 340 reviews
5 star
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1-4 of 340 reviews
  1. Need to adjust and sight in, but visually very Nice!

  2. Works great!

  3. Excellent product

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Rear Sights May Vary Based On Inventory

NEW updated version – This includes ONLY the REAR folding sight. The front must be purchased separately or as a pair. You can find the pair here —> CLICK HERE  CNC machined from high quality, aircraft grade aluminum. The MCKBUS (MCK Back-Up Sights) are a cost effective, aluminum, folding back-up sighting system for any picatinny rail interface. Built to last and a great  light weight solution that provides resistance to heavy operational abuse.

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