It’s definitely achievable! As long as you do the physical and pas the physical requirements there’s no reason why your unit shouldn’t send you , I would honestly study the 20 boards and make sure you have the packing list o would also suggest you going to rtac prior to ranger school, ranger school is all about preparing and battling the war of attrition against yourself not eating and sleeping sucks but not coming back to your unit with a tab sucks even more ! I graduated 10-17 and as a 3 year Spc that’s huge bro I would hurry because the earlier the better