Midwest Industries Combat Rear Back Up Iron Sight - MI-CBUIS
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Midwest Industries
Overview
The Midwest Industries Combat Rear Back Up Iron Sight is a forged sight designed to provide a reliable backup aiming solution for your AR-15. Constructed from 7075-T6 aluminum, this rear sight is lightweight yet durable, ensuring it can withstand the rigors of use while maintaining precision. It's a common choice for builds featuring a carbine gas system and chambered in 5.56 NATO, where reliability and accuracy are essential.
Specifications
August 2026 on GunPartPicker
Midwest Industries Combat Rear Back Up Iron Sight - MI-CBUIS ranked #31 of the 74 iron sights builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #12 of the 138 iron sights builders have added.
It was in stock most days in August 2026, and today 6 of the 8 retailers we track have it in stock. Prices barely moved in August 2026, holding around $73.95, so there haven't been real sales lately. Buying today, the lowest price is $71.01 at GritR Sports, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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Read the guide: AR-15 Iron Sights Guide →Frequently Built With
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Builds Featuring This Part
See all 1 →Builds in the community that include the Midwest Industries Combat Rear Back Up Iron Sight - MI-CBUIS
| Build | Parts | Total |
|---|---|---|
 | 31 | $3307.85 |
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