Dagger Defense is a Professional possessed firm. The DDHB reddish dot extent is constructed of airplane level light weight aluminum and has 4 patterns of reddish dot reticles. Ergonomic extent concept for much better match. ** Please Read **: Based on client input and other sources, an astigmatism (uncorrected or with prescribed) might cause blurred reticles on reddish dot ranges and other prismatic optics. If there is a problem with the reticle and you think this might apply to you, feel free to speak with a specialist for more information on astigmatism and prismatic optics.