RUGER 22/45 MK4 Magazine Base Plate Mark MK 2 3 4 II lll IV MKII MKlll - 90599.
1 Single Factory Magazine Base Block for 22/45 Mark Series 4 (IV). This will change your 90229 MK3 22/45 magazine into 90599 MK4 magazine. This will change your 90231 MK3 magazine into 90599 MK4 magazine. This will also fit MK2 and MK3 22/45 pistols.
We do not accept returns or cancel for change of mind. We only offer returns for items that are faulty or damaged.
