Spikes Tactical Calico Jack Upper & Lower Receiver Set with 9" SAR 3 Quad Rail - Sniper Green

Spikes Tactical Calico Jack Upper & Lower Receiver Set
with 9" SAR 3 Quad Rail - Sniper Green

The Spike’s Tactical Calico Jack Upper/Lower Set with 9" SAR3 Rail delivers the perfect blend of rugged performance, premium machining, and unmistakable personality. Finished in Cerakote Sniper Green and marked with Spike’s iconic Calico Jack skull, this matched receiver set offers a standout foundation for any high‑quality AR‑15 build.

Both the upper and lower are precision‑machined from 7075‑T6 aluminum, ensuring exceptional strength and long‑term durability. Paired with the 9" SAR3 Quad Rail, this setup provides a rock‑solid, one‑piece handguard system engineered for stability, accessory mounting, and superior heat ventilation. The SAR3 rail includes six integrated QD sling sockets, continuous top Picatinny rail space, and compatibility with low‑profile gas blocks—making it ideal for duty use, competition, or a premium custom build.

Matched Upper & Lower Set
Precision‑machined 7075‑T6 receivers with Calico Jack markings for a cohesive, premium build.

Cerakote Sniper Green Finish
Durable, corrosion‑resistant coating with a distinctive tactical aesthetic.

9" SAR3 Quad Rail
Lightweight, rigid, one‑piece rail system with excellent heat ventilation and accessory space.

Six Integrated QD Sockets
Built‑in sling mounting points for flexible carry options.

Continuous Top Rail
Full Picatinny section for optics, sights, and accessories.

Low‑Profile Gas Block Compatible
Designed to work with modern, streamlined gas systems.

Spike’s Tactical Quality
Built to withstand hard use, trusted by enthusiasts, competitors, and professionals.

Specifications

• Model: Calico Jack Upper/Lower Set
• Material: 7075‑T6 aluminum
• Finish: Cerakote Sniper Green
• Caliber: Multi‑caliber
• Rail System: 9" SAR3 Quad Rail
• Rail Material: 6061‑T6 aluminum
• Rail Finish: Type III hardcoat anodizing
• QD Sockets: 6 integrated
• Top Rail: Full‑length Picatinny
• Compatibility: Works with several low‑profile gas blocks
• Heat Management: Enhanced ventilation through SAR3 rail design