1. **Optical Sights and Scopes**: Enhance accuracy and target acquisition. Includes red dot sights, holographic sights, and magnified scopes.
2. **Suppressors**: Reduce muzzle flash and noise, aiding in stealth operations and communication.
3. **Tactical Lights**: Provide illumination in low-light conditions, often mounted on rifles for hands-free use.
4. **Laser Sights**: Improve aiming precision, especially in close-quarters combat.
5. **Bipods**: Offer stability for long-range shooting, particularly useful for snipers.
6. **Foregrips**: Enhance weapon control and reduce recoil, available in vertical and angled designs.
7. **Slings**: Allow for easy carrying and quick access, with single-point, two-point, and three-point configurations.
8. **Extended Magazines**: Increase ammunition capacity, reducing the need for frequent reloads.
9. **Rail Systems**: Provide mounting options for various accessories, such as lights, lasers, and grips.
10. **Buttstock Upgrades**: Improve comfort and shooting accuracy, often adjustable for length and cheek rest.
11. **Muzzle Brakes and Compensators**: Reduce recoil and muzzle rise, improving follow-up shot accuracy.
12. **Bayonets**: Serve as a close-combat weapon and tool, attachable to the rifle's muzzle.
13. **Weapon Cleaning Kits**: Essential for maintenance, ensuring reliability and longevity of firearms.
14. **Night Vision Devices**: Allow for effective operation in complete darkness, often integrated with scopes.
15. **Ballistic Calculators**: Assist in calculating bullet trajectory for long-range accuracy.
16. **Recoil Pads**: Absorb shock, reducing shooter fatigue and improving comfort.
17. **Trigger Upgrades**: Enhance trigger pull for better control and precision.
18. **Custom Grips**: Improve handling and comfort, tailored to the user's hand size and preference.