Walther PDP +4 Mag Extension by Floyds Custom Shop Walther PDP +4 Mag Extension by Floyds Custom Shop This magazine extension adds 4 extra rounds to your stock PDP FULL SIZE 18rd magazines. NOT compatible with the F series - Does not work with ANY Walther factory magwell. (10rd mag bases... MSRP: Was: Now: $40.00 Add to Cart
