"EASY" is the word for this jig! Even the novice AR builder will have no issues using this state-of-the-art jig when milling an 80% lower. Works on all AR-15 lowers including billet lowers.


The AR-15 Router Jig by 5D Tactical is the fastest, most technologically advanced, easiest to use jig on the market and provides the best finished results, PERIOD. All you will need from us to finish an AR-15 80% lower at home is the AR-15 Router Jig, our Hibrid End Mill, and some drilling tools. Our Hybrid End Mill and the necessary drilling tools are available as a prepackaged kit in our Jig Tool Kit. Need an 80% lower? We've got lots of them too.

Fast and Easy - The AR-15 Router Jig by 5D Tactical is an advanced design allowing even novice users to finish a lower in 45 minutes. Advanced users can expect to finish a lower in as little as 30 minutes. 
Optimized For Use With a Compact Router - Universal Router Adapter in conjunction with the included guide pins utilize twin template cavities to trace the outline of the fire control group pocket.
Truly Universal 80% AR-15 Lower Receiver Compatibility - Guaranteed. An 80% lower mounts in our jig by the same locations used to mount an upper receiver. Universal for any metal AR-15 80% lower receiver on the market. Optimized for any material; 6061-T6, 7075-T6, Polymer, etc.
Centered and Aligned Finished Features - Mounting an 80% lower by the front takedown, rear takedown and buffer tube extension ensures properly aligned finished features. 
Oversized End Mill - Industry first, Patent Pending 3 Flute 5/16" diameter end mill designed from the ground-up for optimal finished results 
No-Touch STEEL Side Plates - Exclusive design guarantees universal metal AR-15 80% lower fitment, AR-9 80% lower fitment, and helps to prevent accidental damage or marring during use
Less Drilling - Drill only 2 holes prior to beginning the milling process
3-Step Process - Each drilling and milling step corresponds to a simple 1-2-3 process
Solid Steel Wear Surfaces - All surfaces which may come in contact with a tool are solid high-strength steel for maximum durability
High-Visibility Milling - External milling templates provide open area above the lower for full visibility during milling and easy chip removal
Super Fast Assembly - Only 11 total screws are needed to assemble the jig, and it never needs to be completely disassembled
Quick Release Pins - Once the jig has been assembled, lowers can be installed and removed in seconds
Integrated Depth Gauge - The depth gauge is integrated to the template plate to keep both hands free for setting drilling and milling depths.
Patent Pending - Unique and innovative technology.
Price: $199.99
Universal Compatibility: The Router Jig is truly universal for all 308 80% Lower Receivers - AR-308, LR-308, AR-10. The .308 platform is not as standardized as the AR-15, especially when it comes to exterior dimensions. A lower receiver is mounted in the jig in the same manner as it will mount to an upper receiver; by the front takedown, rear takedown, and buffer support. By using these known standardized features to mount the lower, and in conjunction with our No-Touch Side Plates, we can guarantee universal fitment for any AR-308 / AR-10 lower receiver regardless of exterior dimensions or slight design variations. Many other jig designs make use of non-standardized features or rely upon clamping the lower into the jig by the sides. The result is non-universal fitment and the opportunity for out of spec finishes. By mounting the lower receiver in our jig by standardized features, an additional benefit is the most accurate finished product possible. In order to guarantee proper fitment and operation once the lower is finished, all finished features must be aligned, centered and parallel with the components for which they are designed to receive. 

No-Touch Side Plates: Our industry first No touch side plates have additional channels machined into the inner surfaces to further provide ample clearance on either side of the lower receiver to accommodate .308 platform variations or oversized exterior features. This no-touch approach prevents accidental damage or marring to the side of the lower receiver during assembly, use, and disassembly. As an added bonus, the jig only contacts the jig by its mounting points, therefore the lower can be mounted or removed quickly and without entirely disassemble the jig. In most cases only 3 screws and 2 quick-release pins are all that's needed to mount or remove a .308 lower from the jig. Some .308 designs will require the user to partially loosen, but not remove, the side plates. 

Centered and Parallel Features: Using the standardized features to mount and locate the lower receiver in the jig guarantees the finished fire control group pocket, trigger slot, safety selector, and trigger/hammer pins will be perfectly within tolerance. This ensures proper fitment and trouble free operation once the lower has been completed and assembled to an upper. As the sides or other dimensions of .308 platform lower receivers are not controlled or consistent, using them as a means of mounting the lower into a jig can result in an off-center fire control group pocket and trigger slot, misaligned safety selector holes, or misaligned hammer and trigger pin holes. 

Optimized For Router Use: By far the most popular method for completing 80% lower receivers at home is by use of a handheld router. This is for good reason, of course, because it's the most cost-effective and readily available method, and finished results can rival those of an expensive CNC machine or mini-mill. Our universal router adaptor addresses certain drawbacks previously associated with using a woodworking router to mill aluminum. First, for the main milling operation, all other router jigs rely upon "tracing" an internal FCG pocket shaped template by running the end mill shank against a template surface. This method generates excessive heat, excessive wear on the template surface its self, and the end mill is not supported in all directions for the milling operation. Our Universal Router Adapter incorporates two main features which reduce or eliminate any drawbacks to utilizing a compact router for milling aluminum. First, the Adapter houses a high-speed bearing which assists in centering the Adapter to the router, and supports the end mill in all directions at all times, greatly reducing tool chatter during the entire milling operation. Second, the Adapter accepts 3 sets of Guide Pins, corresponding which each of the 3-step milling process, which are utilized to trace two external templates. The external templates with Guide Pins completely eliminates the need for an internal template coming in contact with the cutting tool. 

Less Drilling: Advancements in The Router Jig's design allowed us to reduce the drilling portions of finishing the FCG pocket and trigger slot to only 2 holes. The integration of our bearing supported, fully optimized 5/16" end mill make the milling portion faster, easier and safer than ever before. Removing the bulk of material by drilling is no longer necessary because the milling portion is so fast and easy. Our end mill design and bearing support system allow the user to remove material safely at a much faster rate than with other jigs. Other jigs rely upon the drilling portion to remove the bulk of material, which is extremely time consuming and labor-intensive. Beyond that, unsupported 1/4" end mills used with other jigs are not nearly as fast and effective in removing aluminum. In fact, with some 7075-T6 forged 80% lower receivers, milling with the inadequate cutting tools offered with other jigs can be downright frustrating and painfully tedious. As an added bonus beyond the time savings, our extensive testing revealed that optimal finish quality is achieved when fewer holes are drilled. Additionally, preventing 




    Osiris Tactical is a Southern California based Distributor for AR15 parts and accessories. We are a family owned operation whose passion for this industry grew into a small business. 

    Our mission is to provide quality products at a reasonable price that will last you a lifetime. As builders we know the importance of finding quality parts at a reasonable price and in a variety of styles to suit each individuals likes and needs. Knowing that the parts have a lifetime warranty is an added bonus. Our products come directly from the manufacturer so there is no middle man here. We do not sell any BLEM items. 

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    If you are interested in becoming a Dealer please email us at Info@osiris-tactical.com

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