good kit
"fits glock 20 mags perfectly if you take out the spring retention thing"
The Blackhawk Single Mag Case - Double Stack MT 9mm/ .40 Cal has a built-in tension spring that securely holds magazines of various sizes and an adjustable belt-clip hook accommodates belts of different widths.
Specs & Features:
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.