Our Take: The JG M4 CQB weaver-mounted adjustable rear sight for your rifle is a high-quality, compact rear sight that's perfect for quick and reliable target acquisition.
For a solid and dependable back-up fixed A2 rear sight, the JG adjustable rear sight does not take up much of your valuable Picatinny rail space. You can have a back-up iron sight ready to go at a moment?s notice and have space for a red-dot/ reflex/ holographic optic on your AR-15 upper receiver. The sturdy build quality and shockproof design guarantees day in and day out reliability. This is one of the most popular rear sights we sell for a reason, because it performs well and is reasonably priced to sell fast!
- The JG CQB rear sight will fit virtually all AR-15, M4, and M16 flattop Picatinny rail upper receivers.
- A2 rear sight assembly with large and small rear aperture.
- The A2 rear sight is fully adjustable for elevation & windage with knurled click adjustable controls.
- Large steel thumb nut and steel rail clamp for positive & secure attachment to your upper receiver.
- Compact enough, where you will still be able to mount a red-dot/ reflex/ holographic optic on your AR-15 upper receiver.
- The mount and rear sight is made from high quality aluminum and steel.
- Adjustable rear sight
- Steel/Aluminum construction
- Dimensions: 2.75" L x 1.63" H