John M. Browning developed the Model 1911 to fire the powerful 45 ACP cartridge. We developed it to fire the 22 L.R. and, after extensive testing and research, determined that 85% of the original size was ideal for the smaller cartridge. Put one in your hands and we know that you’ll agree. The grip is comfortable even in large hands and feels equally at home in smaller ones. The lightweight alloy construction is anything but light duty. Own a little piece of history today. And now with the addition of a polymer-framed version, you have more choices than ever.
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browning.com/products/firearms/pistols/1911-22.html

Yes this is an 85% scale size pistol.
Copy and paste from browning's website- "Everything a 22 LR caliber compact 1911 should be. The Browning 1911-22 isn't a full size 1911 with a barrel conversion kit. It's built to 85% of the scale of John M. Browning's original 1911 pistol in 45 ACP. "