- Fits only P365 X Macro 17-round magazine
- Works with most Magwells
- Adds 3 rounds of capacity of 9mm
- Does NOT require a power spring for function
- Does NOT fit other Sig P365 lower capacity magazines (flanges that fold in)
- Fits on California compliant version
- Adds 3 rounds capacity
- CNC Machined from 6061 aluminum
- Tool-less assembly/dissaembly
- "NoBak" Retention technology
Magazine Extensions ONLY!!! Mags are shown for illustrative purposes.