This is a fully assembled KRISS MagEx2 magazine: a factory Glock 17 magazine body with the KRISS MagEx2 extension installed, bringing total capacity to 40 rounds of 9mm. It is a complete magazine, not an extension kit. Check your state and local magazine capacity laws before purchase.
Documented fits include: Glock 17 (standard-capacity Glock 17 pattern magazine well).
Brand: KRISS
Model: MagEx2 Assembled Magazine (G17)
Caliber: 9mm
Capacity: 40 rounds
Color: Black
Designed For: Glock 17
MPN: KVAMX290BL00
UPC: 811607031294
