| H&K Pistol: |
Magazine Interchanges With: |
| USP 9mm |
USP 9mm 18 rd Jet Funnel mag |
| USP 40S&W |
USP 40S&W 16 rd Jet Funnel mag |
| USP .45ACP |
Mk23 .45 12 rd mag |
| Mk23 SOCOM .45 ACP |
no known cross-compatibility |
| USP Compact 9mm |
P2000 9mm 13 and 10 rd mags and P30 and P30L 9mm 15 and 10 rd mags |
| USP Compact .357 SIG |
USP Compact and P2000 40 S&W and .357 SIG 12 and 10 round mags |
| USP Compact .40 S&W |
USP Compact and P2000 40 S&W and .357 SIG 12 and 10 round mags |
| USP Compact .45 ACP |
HK45 10 rd mag |
| HK45 .45 ACP |
no known cross-compatibility |
| HK45 Compact .45 ACP |
USP Compact and HK45 Compact .45 ACP 8 rd mag |
| P30 9mm |
P30 and P30L 9mm 15 and 10 rd mags |
| P30L 9mm |
P30 and P30L 9mm 15 and 10 rd mags |
| P2000 9mm |
P2000 9mm 13 and 10 rd mags and P30 and P30L 9mm 15 and 10 rd mags |
| P2000 .357 SIG |
USP Compact and P2000 40 S&W and .357 SIG 12 and 10 round mags |
| P2000 .40 S&W |
USP Compact and P2000 40 S&W and .357 SIG 12 and 10 round mags |
| P2000sk 9mm |
P2000 9mm 13 and 10 rd mags and P30 and P30L 9mm 15 and 10 rd mags |
| P2000sk .357 SIG |
USP Compact and P2000 40 S&W and .357 SIG 12 and 10 round mags |
| P2000sk .40 S&W |
USP Compact and P2000 40 S&W and .357 SIG 12 and 10 round mags |