Hello Theodore and welcome.
The Shadow Systems XR920 is a larger, tactical/competition pistol with a longer barrel (around 4.5"), larger grip, and higher capacity (usually 17 rounds). The MR920 is a more compact, concealed-carry version with a shorter barrel (around 4") and slightly reduced capacity (about 15 rounds).
The main differences are size, intended use, and some aesthetic features. Despite these differences, they’re priced the same at BudsGunShop.com because both are high-quality, shared manufacturing costs, and the retailer may set similar prices for competitive reasons or inventory considerations.
Hope this helps Theodore, please take care and stay safe 🙏

Hello Theodore, the XR920 has a full size frame/compact slide and the MR920 has a compact frame/longer slide. Hope this helps and happy shooting!

The Shadow Systems XR920 and MR920 are both high-quality, customizable Glock-pattern pistols, but they cater to slightly different needs. The XR920 is a hybrid, featuring a full-size frame (like the Glock 17) and a compact slide (like the Glock 19), offering a balance of capacity and concealability. The MR920, on the other hand, is a compact, versatile pistol closer in size to the Glock 19, designed for concealed carry.
Here's a more detailed breakdown:
XR920:
Frame:
Full-size, similar to the Glock 17, providing a larger grip for better control and a higher magazine capacity.
Slide:
Compact, similar to the Glock 19, offering a balance between sight radius and maneuverability.
Intended Use:
A good option for those who want a full-size grip for enhanced control and a shorter slide for easier concealment or competition shooting.
Concealability:
Can be more challenging to conceal than the MR920 due to the larger frame.
MR920:
Frame: Compact, similar to the Glock 19, making it easier to conceal.
Slide: Compact, similar to the Glock 19, offering a good balance of sight radius and maneuverability.
Intended Use: A great option for concealed carry, offering a good balance of size and capacity.
Concealability: Easier to conceal than the XR920 due to the smaller frame.

Hi Theodore, the Shadow Systems XR920 features a compact slide on a full-size frame with a full size grip and a 17-round capacity, while the MR920 has a compact frame with a longer slide with a compact grip and a 10 or 15-round capacity. Both models are designed for different preferences in grip size and slide length, catering to various shooting styles.
Both models are praised for their reliability and ergonomics. The XR920 is often favored for its higher capacity and full-size grip, while the MR920 is appreciated for its compactness and versatility.
The MSRP on each is very close or the same, depending on the exact model, which is why the are priced the same.
Stay safe & have a great day!

Hi Theodore and welcome. The main difference between the Shadow Systems XR920 and MR920 is the slide and grip length. The XR920 features a compact slide (same as the MR920) with a full-size grip, while the MR920 has a compact grip and a longer slide. Think of it like the XR920 having a G17 grip with a G19 slide, and the MR920 having a G19 grip with a G17 slide. The price is more a factor of number of each unit in stock as Buds' prices are tied to stock level and higher stock same or similar items will be priced higher than same or similar lower stock items and vice versa. Cheers, stay safe and enjoy!