Genuine Ruger Standard Mark 1 2 3 4 Hard Pistol Case Mk I II III IV 6".

These are new from parted out NEW Mark IV 22/45 pistols. The blow mold liner can be replaced with foam (see last pictures) and make this a very nice versatile case. The blow mold plastic liner is made for 22/45 Mark series pistols, the STANDARD frames do not fit well but a 6"  Standard will fit.

Some of the cases may state different sizes on them but they will fit up to 6" . They are the same case

Case size is 14" x 10" x 3.25"