Two extra-time goals gave them victory in the 124th Army FA Challenge Cup final.
The Sappers looked the more likely winners in their clash with airborne rivals 7th Parachute Regiment, Royal Horse Artillery but failed to capitalise on their ascendency during normal time as the match finished 0-0.
However, with penalties looking a distinct possibility, strikes from Cpl James Thomas and Spr Callum Vincent settled the contest as the champions-elect avenged the defeat they suffered in the 2023 showpiece.
There were no hints of such drama in the early exchanges as both sides struggled to create meaningful opportunities.
LCpl Franklin Fitzmaurice and skipper Cpl Liam Silver fired over with efforts from range for the Sappers, while Cfn Seb Bradford failed to direct a header goalwards for the Gunners after Thomas was unable to clear a ball over the top.
LCpl Ashley Tandy came closest to breaking the deadlock on the hour mark as he turned the RHA defence and drove into the area before seeing his shot strike the foot of the far post. Tandy then pounced on a loose back pass only to be thwarted by the impressive Bdr Reece Timmins in goal.
It proved to be the final action in regular play and it was the Sappers who remained on the front foot in extra-time.
They were rewarded in the 103rd minute as a free kick into the box deflected to Thomas, who diverted the ball past the wrong-footed Timmins, before Vincent sealed the win from a slick counter-attack at the death.
“We are buzzing,” player-manager SSgt Samuel Hunt told SoldierSport. “We showed real quality over the 120 minutes. We are blessed with talent and that was the difference.”