What do you think of this Oatmeal Stout?

[izraehl]

I have around a pound of LME that I want to use for an oatmeal stout. I need to pull the sugars from mashing the grains. I'm not sure where to pull from though. I decided why not the Oats? I bumped them up to ~20%. Will this be okay?

Batch Size (fermenter): 1.00 gal
Bottling Volume: 0.90 gal
Estimated OG: 1.060 SG
Estimated Color: 39.6 SRM
Estimated IBU: 28.5 IBUs

6.5 oz Oats, Flaked (1.0 SRM) Grain 1 20.5 %
2.3 oz Chocolate Malt (350.0 SRM) Grain 2 7.2 %
2.3 oz Victory Malt (25.0 SRM) Grain 3 7.2 %
1.6 oz Roasted Barley (300.0 SRM) Grain 4 5.0 %
1.6 oz Black (Patent) Malt (500.0 SRM) Grain 5 4.9 %
1.5 oz Caramel/Crystal Malt - 80L (80.0 SRM) Grain 6 4.7 %

1 lbs AHS Extra Pale LME (2.0 SRM) Extract 7 50.4 %

4.00 g Galena [12.50 %] - Boil 60.0 min Hop 8 28.6 IBUs

0.5 pkg SafAle English Ale (DCL/Fermentis #S-04) Yeast 9 -