Knights Armament AR-15 Flip-Up Adj Tactical Rear Sight 300 Meter Black
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Knights Armament
Overview
The Knights Armament AR-15 Flip-Up Adjustable Tactical Rear Sight is designed for quick deployment and fine-tuning of your aim. Its adjustable feature allows for precise elevation adjustments up to 300 meters, enhancing accuracy for a variety of shooting scenarios. This sight is often found in builds utilizing an extended mid-length gas system chambered in 5.56 NATO, making it a reliable choice for those setups.
Specifications
Knights Armament AR-15 Flip-Up Adj Tactical Rear Sight 300 Meter Black
Build history on GunPartPicker
Builders have added the Knights Armament AR-15 Flip-Up Adj Tactical Rear Sight 300 Meter Black to their builds on GunPartPicker. Since April 2026, it ranks #52 of the 69 rear sights builders have added. Builds with this rear sight are mostly chambered in 5.56 NATO (71%, then 7.62x51 NATO 21%) and mostly AR-15 (73%, then AR-10 27%).
It was out of stock everywhere we track every time we checked in October 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $244.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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We ranked every rear sight by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Rear Sight Guide →Frequently Built With
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
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