The Alpha 1 Carrier is a single magazine carrier. The carrier features an adjustable retention system, controlled by a magazine retention device (MRD). Three primary variations of the Alpha 1 Carrier are available, including the single stack, double stack slim, and double stack wide models.
The retention screw is a 4 mm grub-screw that, when screwed in adjusts a lever against the magazine for retention. Adjustment is made with the included Allen-key.
Actual product may vary from pictures depending on firearm
