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Holosun HS503GU vs Vortex Sparc AR

Introduction This time, we are going to analyze two red dots, that are, at the moment, some of the lightest, most compact tubular sights out there at an amazing price. Both are full of features, technologically advanced, all packed into compact and sturdy packages. We will be comparing the Holosun HS503GU and Vortex Sparc AR… Read more »