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NcStar
Overview
The NCSTAR 3-9x42 Scope features a 3 MOA red dot that provides quick target acquisition in various lighting conditions, thanks to its bright red reticle. Designed to fit both Weaver and Picatinny rails, this optic is versatile and easily mountable on a range of platforms. It is commonly found on carbine gas system builds chambered in 5.56 NATO, making it a practical choice for those looking to enhance their shooting accuracy and speed.
NCSTAR 3-9x42 Scope w/ 3 MOA Red Dot Fits Weaver & Picatinny Rails - STP3942GDV2
NCSTAR 3-9x42 Scope w/ 3 MOA Red Dot Fits Weaver & Picatinny Rails - STP3942GDV2 ranked #86 of the 203 optics builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #177 of the 482 optics builders have added.
It was in stock most days in September 2026, and today all 5 retailers we track have it in stock. Prices barely moved in September 2026, holding around $157.99, so there haven't been real sales lately. Buying today, the lowest price is $109.87 at KY Gun Company, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
We ranked every optic by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Red Dot & Optic Guide →Check it against the live catalog:
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Builds in the community that include the NCSTAR 3-9x42 Scope w/ 3 MOA Red Dot Fits Weaver & Picatinny Rails - STP3942GDV2
| Build | Parts | Total |
|---|---|---|
![]() | 17 | $2803.93 |
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