i hope i am posintg this in the proper place...if not, please feel free to relocate my topic if i am wrong i have a stock glock19 and i want to participate in gssf - never competed before so sounds like something new to do. besides my glock (obviously) do i need a particular type of holster? i have only my bianchi owb that i use for carry, can i / should i use that? any advice, comments, suggestions or pointing me to knowledge would be appreciated. TIA!