Agency arms magwell is designed for duty or carry purposes.Machined from 6061 aluminum with a hardcoat anodized finish, the streamline design positions the hand up higher into the firearm and offers a small funnel to aid in reloads.This model is compatible with glock 17 gen3 and has a black finish.Caliber: Magazine WellCapacity: Glock 17 Gen3Finish: Hardcoat AnodizedModel: MagwellMaterial: 6061-T6 AluminumModel Fit: Glock 17 Gen3Brand Fit: Glock