Troy Upper Receiver Kit, VTAC 13", HK Folding Sight, Flat Dark Earth

Kit Includes:

13" Troy/VTAC Alpha Rail Features:

- Slotted cooling holes for enhanced heat dispersion and lighter weight
- Uninterrupted top MIL-STD Picatinny rail for the mounting of optics and backup iron sights
- Easy to install
- Includes two 2" and one 4.2"detachable rails and all mounting hardware
- Length: 13"
- Color/Finish: Flat Dark Earth
- Machined from hardened aircraft aluminum with stainless steel components.
- Finished in MIL-SPEC hardcoat anodizing.
- Works with standard AR15/M16 barrel nut
- Barrel nut not included

CQB Vertical Grip Features:

- Waterproof Storage Compartment
- No tools required for installation
- Color/Finish: Flat Dark Earth
- Material: Made from Aircraft Grade Aluminum
- Holds (2) CR123 Batteries

Low Profile Gas Block Features:

- Easy to install
- For use with free-floating handguards
- MIL-STD Manganese Phosphate finishing
- Color/Finish: Black
- Size of gas block seat: 0.750

Front Folding Battlesight HK Features:

- Fits: M1913 Picatinny rail systems
- Quick install, easy adjustment
- Solid push-button operation
- Low-Profile when folded
- Color/Finish: Flat Dark Earth
- Machined from hardened Aircraft Aluminum with stainless steel components and finished in MIL-SPEC hardcoat anodizing
- Each click adjusts .50 MOA