The Stern Defense AR-15 Magazine Well Flare is designed for smoother faster magazine changes. The MAG-AD FLARE decreases the need for fine motor skills and reduces weapon downtime when the clock is running out. FeaturesPrecision CNC machined from Black DelrinSturdy ConstructionErgonomic mag releaseWorks with MAG-AD9, MAG-ADMP9&40/P320 and MAG-ADMP45 Note: DOES NOT WORK WITH THE BERETTA ADAPTER!