LPA Fiber Optic Front Sight Ramp Rib Style Black. These by LPA contain a fiber optic light source that glows without batteries illuminating your sights without the need for any power source. The LPA Front Shotgun Ramped Front & Ramped Rear Gun Sight Systems are incredibly easy to install and will fit onto a ventilated rib with ease. Easily screw these LPA Front Shotgun Ramped Front & Ramped Rear Gun Sights in and easily adjust them on the field for superior target acquisition. Ramp up your accuracy by equipping the LPA Front Shotgun Ramped FO Sights - Screw-in Set. Specifications for LPA Front Shotgun Ramped FO Sights - Screw-in: Manufacturer: LPA Front Sight Color: Red Illumination Type: Fiber Optics Gun Make: Ithaca Winchester Benelli Mossberg Browning Beretta Attachment Type: Screw Color: Black Package Contents: LPA Front Shotgun Ramped FO Sights - Screw-in LPA SG7+M1F: Fiber Optic Front Sight Ramp Rib Style Black