SIG Sauer Romeo4T Red Dot Sight - R43031
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Sig Sauer
Overview
The Sig Sauer Romeo4T Red Dot Sight is a compact optic designed for quick target acquisition with its 2 MOA dot size, providing precise aiming at various distances. The red reticle color enhances visibility in different lighting conditions, making it suitable for dynamic shooting scenarios. This sight is commonly found on tactical builds where speed and accuracy are paramount, including competition and home defense setups.
Specifications
August 2026 on GunPartPicker
SIG Sauer Romeo4T Red Dot Sight - R43031 ranked #95 of the 210 optics builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #121 of the 466 optics builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 6 of the 8 retailers we track have it in stock. The best price drifted down from $529.99 to $466.39 over August 2026 without a real sale. Buying today, the lowest price is $466.39 at Sportsman's Guide, 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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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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