Yes, the Glock 45 can accept Glock 17 and 19X magazines. However, it will not accept Glock 19 magazines as they are too short to fit in the grip.
Glock 45 Magazines
Showing 37–48 of 61 resultsSorted by popularity
SALE 
Toolman Tactical 9mm 35 Round Extended Magazine for Glock 17, 19 Pistols (10 Pack)

7 reviews
Original price was: $160.00.$79.99Current price is: $79.99.
SALE
Magpul PMAG 27 GL9 9mm 27 Round Magazine for Glock 17, 19 Pistols (10 Pack)
Magpul PMAG 27 GL9 9mm 27 Round Magazine for Glock 17, 19 Pistols (10 Pack)
7 reviews
Original price was: $199.99.$179.99Current price is: $179.99.
Frequently asked questions about Glock 45 Magazines
Can the Glock 45 take Glock 17 or 19X magazines?
What makes the Glock 45 unique?
The Glock 45 combines a compact slide like that of a Glock 19 with a full-size frame like that of a Glock 17. This combination is great for those with larger hands and/or that appendix carry and would like a shorter slide.
