Checking the Walther forum and I don't think they are.
I know the difference was due to import, and the PPKS only had the PP frame and the PPK slide married to get by the 1968 Act.
I think, not sure, that a PP, and PPKS magazine is interchangeable.
QUOTE="moosensquirrel, post: 10705240...
Item Name: FS Kimber Micro .380/Walther PPK .380
Location: Savannah
Zip Code: 31419
Item is for: Sale Only
Sale Price: 400 Kimber, PPK 600.
Caliber: .380
Willing to Ship: No
Bill of Sale Required?: No
Item Description: KIMBER MICRO.380 $400
Black rubber and rosewood grips
6 & 7 round...
Item Name: FS Kimber Micro .380
Location: Savannah
Zip Code: 31419
Item is for: Sale Only
Sale Price: 500
Caliber: .380
Willing to Ship: No
Bill of Sale Required?: No
Item Description: Up for sale is a Kimber Micro .380.
Black, with black out sights.
In good to great condition.
2 six...
Item has been relisted, you can find the new listing at: https://www.theoutdoorstrader.com/threads/fs-kimber-micro-380.2312451/
Item Name: FS Kimber Micro .380
Location: Savannah
Zip Code: 31419
Item is for: Sale Only
Sale Price: 500
Caliber: .380
Willing to Ship: No
Bill of Sale...
Item Name: FS Kimber Micro .380
Location: Savannah
Zip Code: 31419
Item is for: Sale Only
Sale Price: 450
Caliber: .380
Willing to Ship: No
Bill of Sale Required?: Yes
Billing Information: License#, address, photo ID
Item Description: Kimber Micro Carry .380, black, black rubber grips.
1...