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Sig Sauer
Overview
The Sig Romeo Zero is a compact red dot optic designed for quick target acquisition, featuring a 3 MOA dot size that provides precision for both short and medium-range shooting. Its red reticle ensures visibility in various lighting conditions, while the auto-off feature helps conserve battery life when not in use. This red dot sight is often found on builds focused on tactical applications or home defense setups.
Specifications
SIG Romeo Zero 3 MOA Auto-Off Red Dot, Glass Lens Black - SOR01331
Available Merchants(1)
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Build history on GunPartPicker
Builders on GunPartPicker first added the SIG Romeo Zero 3 MOA Auto-Off Red Dot, Glass Lens Black - SOR01331 to a build in June 2026.
Today the one retailer we track is out of stock. Listed prices start at $72.47 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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