A rebuild kit for 10 and 15 round Black Dog .22LR X-Form magazines and Sonic X magazines*
- x3 new 7" springs
- x3 new locking spring pins (black)
- x3 new base plates (black)
- x3 new followers (black)*
*Followers cannot be swapped out on Sonic X magazines, as the sides are sonic welded together rather than being screwed together.
