Sig Sauer SIG556 Rotary Diopter Sight - REAR ONLY
| The Sig Sauer 556 Rifle Rotary Diopter rear sight has four range settings, CQB, 100m, 200m and 300m. Easily mounts on any Picatinny Rail and can be adjusted for windage and elevation without tools. Will only work with the Sig Sauer hooded front sight. |
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