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Joe, Night Sights are the same between the two. The SP 01 Tactical will be the most accurate of the two due to less muzzle rise due to weight providing slightly quicker followup shots. This difference will be less pronounced with practice but will still be inherent to some degree in the heavier pistol.

may be slightly more recoil and muzzle rise with the polymer but in practical use you would not be able to tell the difference. The sights are the same

Joe, Little more muzzle flip with polymer frame. Hardly noticeable difference .No big deal. Super shooting firearm with either frame. The stock night sights on both models are Mepro Tritium Tru Dots with fiber optic front sight.