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Ultradyne
Overview
The Ultradyne C2 Folding Front and Rear Sight Combo is designed for versatility and durability, featuring a folding mechanism that allows for easy deployment and storage when not in use. Constructed from aluminum and stainless steel, this set ensures a robust performance while maintaining a lightweight profile, making it an excellent choice for a variety of shooting conditions. This sight combo is commonly found in carbine gas system builds, providing reliable aiming solutions for shooters who prioritize compact and effective sighting options.
Prices checked
Ultradyne C2 Folding Front and Rear Sight Combo - Aperture ranked #50 of the 86 iron sights builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #54 of the 170 iron sights builders have added. Builds with this iron sight are mostly chambered in 5.56 NATO (90%, then .223 Wylde 10%), mostly on mid-length gas (80%, then carbine-length 20%), and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 3 of the 4 retailers we track have it in stock. The best price crept up from $161.08 to $168.82 over October 2026. Buying today, the lowest price is $196.64 at BattleHawk Armory, above October's low of $161.08, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every iron sights by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Iron Sights Guide →The part most often added in each category by the builds that include this one

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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Ultradyne C2 Folding Front and Rear Sight Combo - Aperture
| Build | Parts | Total |
|---|---|---|
![]() | 26 | $2458.42 |
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