Hi Kevin, it is a ramp style front sight. Better pics here >>> (put a G in front of the address) unbroker.com/item/1084265570
Stay safe & have a great day!

Hi Kevin and welcome. This model has a ramped front sight. High-definition picture here: --- (just add a b to the front of the link): asspro.com/shop/en/ruger-gp100-double-action-revolver-stainless-steel-1705-998871?bvstate=pg:2/ct:r

Hi Kevin and welcome. This model GP100 includes a ramp front sight, an adjustable rear sight. Better pictures here: gunsinternational.com/guns-for-sale-online/revolvers/ruger-revolvers---gp100/ruger-gp100--357-magnum-4--barrel-6-shot-kgp-141-new-in-box.cfm?gun_id=102268856#lg-13

Hi Kevin, it is a ramp style front sight. Better pics here >>> (put a G in front of the address) unbroker.com/item/1084265570
Stay safe & have a great day!