JL Billet Mag Lock Installation Jig – Precision Tool for Easy Compliance

Take the hassle out of compliance upgrades with the JL Billet Mag Lock Installation Jig – the ultimate tool for accurately installing JL Billet’s Magazine Lock Kits on any mil-spec AR-15 lower receiver.

Key Features:

Precision-Cut Design: CNC-machined from durable aluminum for tight tolerances and consistent results every time.

Mil-Spec Compatibility: Engineered to perfectly align with standard AR-15 mil-spec lower receivers, ensuring proper fitment for JL Billet’s Cali Mag Lock components (Sold Separately)

User-Friendly Setup: Designed for both DIY builders and professional gunsmiths, the jig simplifies the installation process, reducing the chance of misalignment or damage.

Secure and Stable: Lock-in design holds your lower receiver firmly in place, allowing for clean drilling and installation with minimal movement.

Compliance-Minded: Built to support users in achieving California-compliant configurations while maintaining functionality and aesthetics.

Why You Need It:

When installing a magazine lock from JL Billet, precision is everything. This jig saves time, eliminates guesswork, and ensures your lower receiver is correctly prepped for JL Billet’s Mag Lock Kit – without costly mistakes.

Includes:

Installation jigs - 2 pcs

Both size drills and Tap Required

Tap Magic © Tapping Fluid

Step-by-step instructions

Required Tools:

Drill Press Recommended 

Vise

Tapping Handle

Note: Magazine Locks sold separately, or as an additional option within this listing. To be used with JL Billet proprietary Magazine lock kits found here.

JL Billet is not responsible for any damage to your lower receiver resulting from the use of the JL Billet Magazine Lock Jig. This kit does require basic knowledge of tool use. 

Whether you're building from scratch or upgrading an existing rifle, the JL Billet Mag Lock Installation Jig is your go-to tool for installing JL Billet's Cali Mag Lock Kits on any manufacturer's lower receiver.