I have a few HK45 magazines.
2-10rd mags and 2-13rd mags that use the Taylor Freelance +3 extensions. They've seen very few rounds, some barely show insertion marks. They were stashed away as backup mags.
Sold as 2 separate sets
2-10rd mags $60
2-13rd mags $120
https://i.imgur.com/X1LXgBM.jpg
