Amend2
SIG SAUER P320 Magazines
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Manufacturer
SIG SAUER
Model & version
SIG 320C PF320PTEX™
Mounting details
MIL-STD-1913 Picatinny, Leupold DeltaPoint Pro, SIG SAUER P320 PRO optic cut (ROMEO1PRO / DPP pattern, P320 / M17 / M18 / AXG slides)
Parts listed
16 total
SIG SAUER P320Magazines
What the compatibility labels mean
How we knowHow we check compatibility
- Lab testedFit checked by Firearm Lab for the recorded setup.
- Documented fitmentSupported by manufacturer, partner, or reviewed community evidence.
- Interface matchMounting details match, but this exact model and part have not been confirmed to fit together.
Check your exact model and part before ordering. Fitment limits
Amend24
Based on manufacturer information — Aug 2026. A2-320 Sig Sauer P320 9mm 17-Round Magazine
Part no. A2A320FULLBLKA2-320 Sig Sauer P320 9mm 32-Round Magazine
Part no. A2A320STICKBLKA2-320 17-Round
ETS Group1
ETS SIG Sauer P320 9mm 30-Round Extended Magazine
Part no. SG9-320-30
Henning Group1
Magazine Extension PLUS 2 for Sig Sauer P320/P211
Herrington Arms2
HA +2 Sig P320 Mag Extension
HA +5 Sig P320 Mag Extension
Magpul2
AMAG 17 SG9 – Sig P320/M17
AMAG 21 SG9 – Sig P320/M17
SIG SAUER6
P211/P320 FULL/CARRY 9MM 23RD EXTENDED MAGAZINE
P250, P320 FULL/CARRY/M17 9MM 17RD MAGAZINE
P250,P320 9MM 30RD EXTENDED MAGAZINE
P250,P320 FULL/CARRY 9MM 21RD EXTENDED MAGAZINE
P320 FULL/CARRY/M17 9MM 10RD MAGAZINE, ALUMINUM BASEPLATE
P320/M17/M18/P211/P385 9MM 10RD MAGAZINE