Overview Reviews Product Description The HS403B is a 20mm micro optical sight designed for rifle and carbine applications. Features include 12 brightness settings, Holosun’s Super LED with up to 100k hours battery life, and 2 MOA Dot. Product Videos Custom Field Product Reviews Write a Review Write a Review × Holosun Holosun HS403B Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
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