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80% Lower Receivers AR-15/AR-9 and AR-308 80% Lower Receivers featuring custom billet lowers by 5D Tactical. Shop Now »

Custom AR-15 and AR-308 Upper Receivers
Build Kits
80% Glock
80% Lower Receiver Jig Tools


5D Tactical supplies essential equipment for building your own AR-15, AR-9 or AR-308/AR-10 firearms, including upper receivers and 80 percent lower receivers, 80% lower jigs, tools, and jig replacement parts. We have the product line, capabilities, and expertise to assist you in finishing flawless 80 percent lowers. You provide the router and drill, and we supply the rest.

Multiplatform 80% Lower Jig - AR-15/AR-9/.308/AR-10 The Router Jig PRO Multiplatform - AR-15/AR-9/AR-45/.308/AR-10
Price: $329.99
Sale Price: $279.99
You Save: $50.00
AR-15 80% Lower - Forged 7075-T6 - Raw AR-15 80% Lower - Forged 7075-T6 - Raw
Price: $109.99
Sale Price: $89.99
You Save: $20.00
PRO PACK - Router Jigs, 80% Lowers and Tools Pro Builder Pack - AR-15/.308 Jig, Router and (1)80% Lower Kit
Price: $524.96
Sale Price: $468.21
You Save: $56.75

Customers Who Use Our Products

We cater to firearms enthusiasts nationwide. Our products are used by AR lovers who enjoy building custom firearms with aftermarket parts, gun owners who practice self-armament by building their own rifles, and those who enjoy building ARs for the love of gun mechanics.

Our 80% lower jig is universal for all 80 percent lowers and comes with our Universal Fitment Guarantee. With us, there’s no need to practice trial and error when shopping parts for fitment.

Get Started on Your AR Build Today

Lower receivers house some of the most important parts of a firearm, making it essential to mill them with precision equipment that supports the functionality of the mechanics within. This is exactly what our 80% lower jig for 80 percent lower kits and custom tools help you do.

To get started on building your AR-15 or AR-308/AR-10, order the jig, tools, and receivers you need straight from our store, or call us today at 508.834.4223. Complete your AR, and enjoy a firearm that delivers reliable performance that you can take pride in knowing you truly built yourself!

Benefits of Building Your Own AR

Finishing 80% lower receivers doesn’t require special training. You simply need the right tools for the job. While the tools aren’t hard to use, a truly fast and easy solution did not exist, until now. Our jigs and tools allow you to quickly and easily finish machine flawless lower receivers without the need for expensive specialist equipment.

In addition to cutting costs, our 80% lower jig puts you in control of the work, letting you ensure the job is done perfectly to finish the receiver for your next build. With our 80% lower jig, comprehensive instructions and how-to videos, you control production quality by performing the work firsthand.

Our jigs can be assembled fast and ready to use in a few minutes. Once you’re familiar with how the user-friendly process works, you can finish the lower receiver and move to the next step of your build in under 30 minutes. Our equipment provides the capability to swiftly complete an 80% lower receiver, with unparalleled precision.