GG&G, Inc. 45 Degree Transition Sights Sight Picatinny Black Lightweight, Fixed, Backup Iron Sights For LE, Military Or 3-Gun Competition. GGG-1588 Model: 45 Degre Finish/Color: Black Fit: Picatinny Type: Sight Manufacturer: GG&G, Inc. Model: 45 Degre Mfg Number: GGG-1588