17round magazine sleeve for p365x
MagRail - Sig Sauer P365 - Magazine Floor Plate Rail Adapter - Mantis
Sig Sauer Sleeve P365
P365 with OEM 17-round mag, for some reason I never saw the extended magazine as a feature when comparing between this and the Glock 26 : r/P365
The NULL: Sig Sauer P365XL Wilson Combat Frame 17 Round Magazine Adapt – Variant Innovation
XL-17 basepad for P365 X/XL – Tactical Development
XM-10 Conversion basepad for Sig P365 xMacro – Tactical Development
SIG P365 Magazine Base Pads - Grayguns
P365 17RD MAGAZINE (ALL 9mm MODELS) - COYOTE
Pearce Grip Extension For Sig Sauer P365 & P365XL: MGW
The NULL: Sig Sauer P365X & XL 17 Round Magazine Adapter Sleeve
Sig Sauer P365X Macro 9mm 17-Round Magazine
MagGuts +2 Conversion for Sig P365 Standard 12 Round Magazine (Not X/XL) - MagGuts
XL-17 basepad for P365 X/XL – Tactical Development
Sig Sauer Magazine 9mm 17 Round P365 X Macro