New Camper shell but no Brand name help needed to identify it.

[Mlbdriver]

Good afternoon I just purchased a new to me Truck Shell/Topper or what ever anyone would like to call it. It has no markings or brand name tags on it except for a number on it A1M-73. It is an aluminum modular one. any help would be appreciated. I also need help wiring it to my 2021 GMC Sierra 1500 AT4. Here are some pictures, and yes im Googling it as I type this. TIA

 

[Shahn]

Looks like it might be a OuO

2019-2025 Sierra Short Bed 5.8ft Aluminum Camper Shell | OuO

Aluminum Camper shell for GMC Sierra fits 2019-2025 5.8ft short bed. 1000 lbs. Cross bar support. Drill free same day installation, 3 years warranty

ouopickupcover.com

 

[Mlbdriver]

Looks like it might be a OuO

2019-2025 Sierra Short Bed 5.8ft Aluminum Camper Shell | OuO

Aluminum Camper shell for GMC Sierra fits 2019-2025 5.8ft short bed. 1000 lbs. Cross bar support. Drill free same day installation, 3 years warranty

ouopickupcover.com

Looks Like it but not totally sure. Thank you!!