Not available by the case but, You most certainly can order 20 boxes of 50 for the 1,000 case total!!
budsgunshop.com/product_info.php/products_id/7963/sellier+bellot+10mm+180gr+fmj+50rd+box

Good afternoon to you!! The Sellier /Bellot 10mm 180 grain is not available right now by the "case" you can add 10 or 20 boxes to your cart to equal 500 or 1000 rounds of ammunition. Hope this helps. Have a good rest of your day.
🇺🇸🇺🇸 'Merica' 🇺🇸🇺🇸
budsgunshop.com/product_info.php/products_id/7963/sellier+bellot+10mm+180gr+fmj+50rd+box

Hi Ron and welcome. Ten boxes would amount to one 500rdd case and Twenty boxes would amount to one 1K Case: budsgunshop.com/product_info.php/products_id/7963/sellier+bellot+10mm+180gr+fmj+50rd+box --------------------------------------- "WASHINGTON10" code for 10% off ends today. Cheers, stay safe and enjoy!

Sorry but they don't sell it by the case. They do sell PMC and Magtec by the case though. budsgunshop.com/product_info.php/products_id/730003357/pmc+10mm+handgun+ammo+-+170+grain+jhp+500rd+case
budsgunshop.com/product_info.php/products_id/714034524/magtech+sport+shooting+10mm+180gr+lead+round+nose+1000+round+case