Mine is squeaky and it bugs the wife. I'll have to double-check tomorrow if it's spongy but I don't think so.
2013 Ram 2500, 6.7 CTD, CCLB 4x4 in True Blue.
B&W Turnover Ball, Andersen Ultimate Hitch (v2)
2016 Eagle HT 29.5 BHDS Picked-up 4/1/16
2007 Rockwood ROO 21SS - SOLD