Note: I do not have a Ruger Mark III/IV 22/45 so the pictures are lacking
4" in diameter
- Perfect Fit: Designed specifically for Rock Island Armory VR Series 12 Gauge mags
The bolts and nuts only fit in one way
May also work with other types of Saiga-12 mags
Magwell Mount for Walther PPQ 45 - Pegboard / IKEA Skadis / Wall Control / Vaultek | Handgun Holder Storage Rack Style:Facing Right Note: I do not haveSimple, Secure Mounting: Attaches to pegboard via hooks on the back of the mount. Heavy duty mount holds firearm with ease. Wide Pegboard Compatibility: Variations available for Non Metal Pegboard (composite, wood, plastic, etc.), Wall Control Gun Pegboard, Heavyweight Diamond Plate Steel Pegboard, IKEA Skadis, Vaultek, Secure Wall, Squarelok, and Peglock. Low Profile, Sleek Design: Proudly display your collection and make your pistol easy to access.