Sig Sauer P320 / P250 Stealth Holster & Single Stack Magazine CarrierCombo kit containing: Sig Sauer Holster compatible with Sig P320, P320 X and P250 Full size, carry and compact models chambered in 9mm & above. (Not compatible with sub compact models) Single Stack Magazine Carrier fits all magazines chambered in . 380, 9mm, & . 40. (Not compatible with Glock 43X or . 45) Q Series Holsters and Magazine Carriers are made from a tough injection molded construction. They're extremely durable, ambidextrous, low profile, &