Enhance your shooting precision with the Knights Armament 300 Meter Rear Sight Peep Aperture Insert, a must-have accessory for AR-15 enthusiasts seeking optimal accuracy at mid-range distances. Designed specifically for Knight's Armament flip-up rear sights, this snap-in insert transforms your standard peep aperture into a refined tool for targeted shooting, ensuring every shot counts in tactical scenarios or range sessions. Key Features Snap-In Design: Effortlessly installs into the 300 Meter Flip Up Rear Sight without tools, allowing quick switches between standard and precision apertures for versatile shooting conditions. Constricted Peep Aperture: Narrows the sight picture to deliver sharper focus and reduced parallax, ideal for engagements up to 300 meters. Durable Polymer Construction: Lightweight and rugged material withstands recoil and environmental exposure, maintaining reliability in demanding field use. Compatible with KAC Sights: Engineered exclusively for Knight's Armament 300 Meter rear sights, ensuring a seamless fit and enhanced performance. Specifications Weight: 16 (lightweight for minimal impact on rifle balance) Length: 5 (compact profile) Width: 2.5 Height: 1 Material: High-impact polymer Part Number: 97081 Why Choose This Product Struggling with fuzzy sight pictures at distance? The Knights Armament 300 Meter Rear Sight Peep Aperture Insert addresses this common pain point by providing a tighter aperture that aligns your eye naturally, improving accuracy without compromising speed. Whether you're a competitive shooter fine-tuning your setup or a tactical operator needing reliable backup iron sights, this insert elevates your AR-15's iron sight system. Its removable nature lets you adapt on the fly-use the larger aperture for close-quarters battles (CQB) and snap in the insert for precise mid-range targeting. Backed by Knight's Armament's reputation for military-grade quality, it offers peace of mind in high-stakes situations. Don't settle for subpar sighting; upgrade your gear today and experience the difference in clarity and control. Secure your Knights Armament peep sight insert to maintain peak performance in every outing.