Futuristic Sniper Rifle Following Modifications Change

Design a futuristic sniper rifle with the following modifications:

1. Change the color scheme to a matte gray with dark green accents.
2. Replace the barrel with a more streamlined, tapered design.
3. Add a digital display on the side for advanced targeting features.
4. Remove any visible branding or model numbers for a generic appearance.
5. Modify the stock to have a more ergonomic shape with a slight curve.

Focus on a sleek, high-tech aesthetic.