Juggernaut Tactical AR-9 Stripped Lower Receiver

Juggernaut Tactical AR-9 Stripped Lower Receiver – Billet 6061-T6 | Glock Mag Compatible

The Juggernaut Tactical JT-9 AR-9 Stripped Lower Receiver is a premium foundation for building a high-performance pistol caliber carbine. Precision CNC-machined from aerospace-grade 6061-T6 billet aluminum, this lower receiver delivers superior strength, tight tolerances, and advanced features not found in standard forged receivers. Engineered for reliability and enhanced functionality, it’s an ideal choice for serious AR-9 builders seeking durability, ambidextrous controls, and California compliance options.

Precision Billet Construction

Unlike standard forged lowers, the JT-9 is machined from solid billet aluminum for enhanced structural integrity and refined fitment.

• CNC-machined from 6061-T6 aerospace billet aluminum
• Heat-treated for strength and long-term durability
• Available in Cerakote finishes or black anodized coating
• Laser engraved Juggernaut Tactical branding

Advanced Functional Features

Built with performance and user convenience in mind, the JT-9 lower includes premium enhancements for improved handling and reliability.

• Last Round Bolt Hold Open (LRBHO) capability
• Ambidextrous bolt release for left- and right-handed users
• Steel magazine stop for increased wear resistance
• Threaded bolt catch and detent holes (no roll pins required)
• Upper tensioning screw for improved fit between upper and lower

Enhanced Ergonomics & Build Efficiency

• Flared magwell for faster, smoother reloads
• Integral winter trigger guard for added strength and gloved use
• Threaded rear takedown pin detent hole for simplified assembly
• Clearly marked fire/safe engravings on both sides

California Compliance Option

Juggernaut Tactical offers a California-compliant configuration designed to meet state regulations while maintaining usability.

• Includes internal magazine lock (California models only)
• Comes with Hellfighter rear pin assembly
• Important: California-compliant version is only compatible with Juggernaut Tactical uppers due to internal magazine lock design

Key Features

• Billet 6061-T6 AR-9 stripped lower receiver
• Compatible with Glock-pattern magazines
• Ambidextrous bolt release system
• Last Round Bolt Hold Open (LRBHO)
• Flared magwell and integral trigger guard
• No roll pins required for assembly
• Multiple Cerakote and anodized finish options
• Designed for blowback-operated AR-9 systems

Specifications

• Manufacturer: Juggernaut Tactical
• Model: JT-9 AR-9 Lower Receiver
• Material: 6061-T6 Billet Aluminum
• Finish Options: Black Anodized, Magpul FDE, Sniper Gray, Magpul OD Green, Burnt Bronze
• Weight: 11 oz (completed)
• Magazine Compatibility: Glock-pattern magazines
• Operation: Blowback

Compatibility

• Standard AR-9 uppers (non-California compliant version)
• Juggernaut Tactical AR-9 uppers (required for CA-compliant version)
• Glock-pattern 9mm magazines

Not Compatible

• Gas-operated AR platforms (designed for blowback only)
• Non-Glock magazine systems
• California-compliant version is not compatible with non-Juggernaut uppers

Important Notes

• LRBHO function is only guaranteed when used with Juggernaut Tactical uppers
• Compatibility with other manufacturer uppers may vary
• This is a serialized firearm component and requires FFL transfer before shipment
• Please have your FFL dealer send their license to info@TerranGearUSA.com and reference your order number
• Allow processing time for FFL verification before shipment

Finish Options

• Black Anodized
• Magpul FDE (Cerakote)
• Sniper Gray (Cerakote)
• Magpul OD Green (Cerakote)
• Burnt Bronze (Cerakote)

The Juggernaut Tactical JT-9 AR-9 Stripped Lower Receiver delivers the durability, functionality, and precision serious builders demand. Whether you're building a duty-ready PCC or a competition-ready AR-9, this billet lower provides a reliable and feature-rich foundation for your next build.

Frequently Asked Questions

Is this lower compatible with Glock magazines?

Yes, the JT-9 lower is designed to accept Glock-pattern 9mm magazines.

Does this include a lower parts kit?

No, this is a stripped lower receiver and does not include a lower parts kit unless otherwise specified.

Will the LRBHO work with any upper?

Last Round Bolt Hold Open is only guaranteed when paired with a Juggernaut Tactical upper. Compatibility with other uppers may vary.

What makes billet better than forged?

Billet receivers are machined from a solid block of aluminum, allowing for tighter tolerances, enhanced rigidity, and additional design features not possible with forged receivers.

Is this California compliant?

A California-compliant version is available and includes an internal magazine lock and Hellfighter rear pin assembly.

Can I use the CA-compliant version with any upper?

No, the California-compliant version is only compatible with Juggernaut Tactical uppers due to the internal magazine lock system.

Do I need an FFL to purchase this?

Yes, this is a serialized firearm component and must be shipped to a licensed FFL dealer for transfer.