So got an email back from the brewery and surprisingly they just gave me the recipe. Here it is
Porter
OG 1.068/ 17*P, 30 IBU, 7%alc.
77% Maris Otter Pale malt
8% Crystal malt
6% Munich malt
4% Chocolate malt
3% Black malt
2% Pale chocolate malt
Mash in at 65*C and hold for 45 minutes, 72 *C...