This is an extended length magazine from Sig Sauer. It will fit and work in any P250 or p320 chambered in 9mm but there will be a gap at between the grip shell and mag extension on the SubCompact and Compact. The Sig p320 21 round magazine will fit properly and the mag's extension will meet the bottom of the grip shell.
|Mag Capacity / Rounds||21rd|
|Accessory Rail||Not Applicable|
|Warranty||Warranty provided by Sig Sauer. Warranty information is available for Sig Sauer products at https://www.sigsauer.com/support/warranty/.|