Rogers has 12 gauge 3" and 3.5" in stock it looks like. Get it while it's hot.
Link for 3.5"
https://www.rogerssportinggoods.com/federal-premium-heavyweight-tss-turkey-loads-12-gauge-3-1-2-2-1-4oz-1200fps.html
Link for 3"
https://www.rogerssportinggoods.com/federal-premium-heavyweight-tss-turkey-loads-12-gauge-3-1-3-4oz-1200fps.html