Juggernaut Tactical AR-10 80% Lower Universal Jig | Polymer80

About this product

Juggernaut Tactical AR-10 80% Lower Universal Jig: Precision Tooling for DIY Builds

Quick and easy fabrication for any AR-10 80% lower. The Juggernaut Jig secures your lower receiver with 8 hex bolts, providing a rock-solid, vise-ready unit that simplifies the machining process. Just follow the numbered templates, drill pin holes using the included guide holes, and you’ll be ready to install your lower parts kit in no time.

Key Features and Benefits

• Plates machined from heat-treated 6061 T6 aluminum for durability
• Laser-etched engravings and hole sizes for user convenience
• Type III hardcoat anodized to resist corrosion from chemicals
• Commercial-grade tooling, same bits used on manufacturing lines
• Capable of completing up to 25+ AR-type 80% lower receivers
• Guaranteed to fit mil-spec / forged lowers; billet lowers may vary

Technical Specifications

• Material: 6061 T6 Aluminum
• Finish: Type III Hardcoat Anodized
• Compatibility: Universal for AR-10 80% lowers
• Tooling Life: 25+ lower receivers

Optional Tooling Required

• 0.484″ Cobalt Drill
• 0.375″ Cobalt Drill
• 0.156″ Cobalt Drill
• Two 0.125″ Cobalt Drills
• 3/8″ Carbide Endmill
• 1/4″ Carbide Endmill

Additional Tools Needed

• Drill Press
• Drilling Vise
• Machining Oil
• Eye Protection
• Ear Protection

For a complete guide, check out our instructions on how to complete an 80% lower. This jig is designed for enthusiasts and professionals alike, ensuring a safe and efficient building experience with Polymer80‘s trusted quality.