I think the issue may be related to your 6600K, BF1 likes multicores, check your CPU usage while gaming. While memory may play a part in performance I noticed when I beta tested BF1 my 4770K was utilizing the majority of my cores & threads.
Memory:Team - Vulcan 16GB (2 x 8GB) DDR4-3000 Memory ($139.99 @ Newegg) Total: $139.99 Prices include shipping, taxes, and discounts when available Generated by PCPartPicker 2018-07-30 09:46 EDT-0400
Is there anything wrong with your current set? Getting faster RAM for Intel makes very little difference, at least for gaming.
I think the issue may be related to your 6600K, BF1 likes multicores, check your CPU usage while gaming. While memory may play a part in performance I noticed when I beta tested BF1 my 4770K was utilizing the majority of my cores & threads.