The coronavirus pandemic meant contact sport has been on hold but the Army welcomed 29 teams and 400 players to compete in the tournament in Hampshire, which sees only nine players from each team on the field.
The main final featured 12 Regiment Royal Artillery gunning for victory against 9 Regiment Royal Logistic Corps (RLC).
The Artillerymen took an early lead as Lance Bombardier Fex Naulivou crashed in for an unconverted try.
It was 9 Regiment RLC who scored next when Lance Corporal Raks Sauisomi scooted his way in at the corner to level the scores.
The second half started as the first had concluded with 9 Regiment RLC crossing for a try.
Private Andrea Vasuitoga outpaced the Artillerymen's defence to chase his own kick and dotted down for another unconverted effort.
It wasn't long before 12 Regiment were taking the game to their opponents.
Sergeant Sikeli Komainalawa battered his way over from short range for an unconverted score.
With the teams level at 8-8 at full time, the match entered Golden Point extra time.
Owain Davies thought he'd won it for the Artillerymen with his long-range kick only to see it bounce off the crossbar.
12 Regiment deployed the tactic once again in the second period of extra time.
On this occasion, the boot of Davies didn't disappoint as he kicked his team to cup success.