Sportsmans Guide has AR-15s aplenty, AKs, all kinds of things (457 results in semi-auto rifles alone). Do you have any links to corroborate your claim?
https://www.sportsmansguide.com/productlist/guns/rifle/semi-automatic?d=185&c=30&s=706&trackid=catspiffRifle3&ipp=ALL
Nope. Guess old Afterguard jumped the shark on this one. He stands corrected. Thank you!