Interested in brewing an American Brown Ale California Common Mash Up

[EMH5]

Looking for recipe feedback so please let me know

Common Brown

Recipe Specifics:
Batch Size (Gal): 5
Grain (Lbs): 13
~ OG: 1.056
~ SRM: 26.87
~ IBU: 57.61
~ ABV: 5.34

Wort Boil Time: 60 Minutes
Grain:
65.4% - 8.5 lbs. Maris Otter Pale Malt
15.4% - 2 lbs. Victory
7.7% - 1 lb. Crystal (60L)
5.8% - 0.75 lbs. Brown Malt
3.8% - 0.5 lbs. Chocolate Malt
1.9% - 0.25 lbs. Flaked Oats


Hops:
1 oz Northern Brewer (Pellet, ~10% AA) @ FWH
1 oz Northern Brewer (Pellet, ~10% AA) @ 5 min
1 oz Cascade (Dried Leaf, ~7% AA) @ FO
1 oz Cascade (Dried Leaf, ~7% AA) DH 7 days

Extras:
1 tab Whirlfloc @ 15 min.

Yeast:
(harvested) Wyeast California Common Beer - WY2112 Ferm temp 58-68°

Mash Schedule:
-90 min @ 152°