AR-15 16" 5.56 NATO BUILD KIT + Holosun HS510C Red
Shooters GateKey Features
| Forged 7075-T6 Upper | Mil-Spec stripped upper receiver (black) |
|---|---|
| 16" 5.56 NATO Barrel | 1:8 twist, mid-length gas (optimized for 55–77 gr) |
| 15" Free-float Handguard | M-LOK compatible for accessories and rails |
| USA-Made BCG | Bolt carrier group manufactured in the USA |
| Complete Lower Parts Kit | Trigger, pins, springs, hammer — ready to install |
| Mil-Spec Buffer Tube & Spring | Carbine buffer and spring included |
Holosun Rifle Reflex Optic HS510C Red Key Features
| Red Multi-Reticle System (MRS) | Selectable 2 MOA dot, 65 MOA circle, or circle-dot reticle. |
|---|---|
| Red Super LED Technology | 650nm red emitter with up to 50,000 hours of battery life. |
| Solar Failsafe System | Integrated solar backup helps manage brightness in changing light. |
| Shake Awake Technology | Motion activation powers the optic on and helps preserve battery life. |
| Quick Detach Picatinny Mount | Integrated QD mount for fast installation or removal on Picatinny rails. |
| Large Open Viewing Window | Wide field of view for faster target acquisition. |
| Titanium Protective Hood | Reinforced hood protects the optic housing from impacts and harsh use. |
| Side Mounted Battery Tray | CR2032 battery tray allows replacement without removing the optic. |
| 12 Brightness Settings | 10 daylight and 2 night vision compatible brightness settings. |
| IP67 Waterproof Construction | Sealed housing protects against water, dust, and harsh conditions. |