It's quite a good build for that budget.

You can get cheaper RAM though:

• Kingston FURY 8GB (2 x 4GB) DDR4-2400 Memory for $49.99 if you want heat spreaders and to match the black theme
• Crucial 8GB (2 x 4GB) DDR4-2133 Memory for $46.75 if you don't care about looks

If you have a larger budget, you could get a gamer grade motherboard for better sound and more gaming related features. Also, an i5 could be useful for better performance. This would raise the budget, though:

PCPartPicker part list / Price breakdown by merchant

Here's an alternative that trades GPU for CPU, but should still be decent at 1080p. It also puts Freesync on the table. Slightly more expensive, though.

PCPartPicker part list / Price breakdown by merchant