I Just purchased the 22 kit shoot great I found this site to up grade the mags and guide rods, and Mag Followers to lock the slide back.
You may want to check out Sigpower.com for the magazine parts Jeff sells. He has upgrades to increase the rounds from 10 to 15, etc
You may want to check out Sigpower.com for the magazine parts Jeff sells. He has upgrades to increase the rounds from 10 to 15, etc