Hi Joseph and welcome. Just Checked the Ruger website and this is the latest current Gen 4: ruger.com/products/precisionRifle/specSheets/18104.html --------- Cheers, stay safe and enjoy!

Hi Joseph, yes this is the newest Gen 4 model.
Stay safe & have a great day!

Hi Joseph and welcome. Since I do not know the manufacture date, rather than guess, I would have you confirm the Gen directly with Ruger Customer Service vis UPC and Model # at Telephone: 336-949-5200 / (Monday through Friday 8:00am - 5:00pm ET). Cheers and stay safe!

Good evening to you!! Yes this is the gen 4.This new and improved design is the result of years of feedback from competitive shooters. Hope this helps. Enjoy the rest of your Holiday weekend.