Ultradyne C4 Rear Sight Aperture Insert .070 for Rifle Iron Sights

The Ultradyne C4 Rear Sight Aperture Insert .070 offers precision upgrade for rifle iron sights, delivering a dark, finely tuned aperture that enhances target acquisition and shooting accuracy in varying light conditions. Designed to integrate with existing rear sight hardware, this black aperture insert provides a tighter aiming window, enabling shooters to align their sight picture quickly and consistently during precision drills, hunting, or tactical scenarios. The .070 hole size is ideal for accommodations where a balance between light transmission and edge clarity is needed, helping shooters maintain a clean sight picture when engaging at moderate distances or in dynamic ranges. Crafted with durability in mind, Ultradyne's C4 insert stands up to field use, resisting wear while maintaining consistent wall thickness and edge definition for repeatable performance. Whether you're fine-tuning a hobby rig, outfitting a duty rifle, or optimizing a hunting setup, this rear sight aperture insert supports reliable, repeatable shots by sharpening focus on the front sight and reducing peripheral blur. With its classic black finish and precise manufacturing, it complements a wide range of rifles, delivering improved sight alignment and confidence on every shot.