Knights Armament 300 Meter Rear Sight Peep Aperture Insert
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Knights Armament
Overview
The Knights Armament 300 Meter Rear Sight Peep Aperture Insert is a rear sight. Compare prices from multiple merchants and find the best deal.
Specifications
August 2026 on GunPartPicker
Knights Armament 300 Meter Rear Sight Peep Aperture Insert ranked #18 of the 26 rear sights builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since June 2026. All time, it ranks #20 of the 57 rear sights builders have added.
Today the one retailer we track is out of stock. Listed prices start at $369.99 at Sportsmans Outdoor Superstore for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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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.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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