Broadmeadow is through to the State Cup semi finals after beating Lismore in the quarters, while New Lambton fell to Boambee.
Cook Hill beat Inverell, while South Cardiff eliminated defending champions, Urunga.
The Gunners hit the front off a long throw, Mitch Wallace with the header.
Shaun Clerk then put South Cardiff further in front.
Urunga hit back in spectacular fashion with a Paul Pomroy free kick.
When Wallace made a great run down the right, he set up Jarryd Johnson.
Just for good measure, Jamie Byrnes kept his cool to grab South Cardiff’s fourth.
Wallace then grabbed a double with a cheeky chip.
The Gunners play Cooks Hill tomorrow, Broadmeadow face Boambee.
NNSWF STATE CUP
Quarter Finals
BROADMEADOW 5 – LISMORE 1
BOAMBEE 3 – NEW LAMBTON 1
COOKS HILL 3 – INVERELL 2
SOUTH CARDIFF 5 – URUNGA 2
