2nd Generation Sub2000: The Multi-Mag SUB2000 variant offers interchangeable magazine catches. The magazine catches can be found on our website: keltecweapons.com/collections/accessories/sub2000/
Glock SUB2000: The Glock variant SUB2000s have a proprietary magazine catch and are not interchangeable with other brands.
1st Generation SUB2000: We no longer manufacture 1st generation parts. To switch magazine catches on 1st generation SUB2000s, a 2nd generation upgrade is required. The upgrade fee is $150.