GST-9: 80% Pistol Build Kit

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GST-9 Orders - UPDATED 10/29/2020

We're excited to report that the upgrades in our injection molding process have allowed us to significantly boost our production capacity of GST-9 frames. Many of you have already received a shipping notification. We surpassed our last shipping goal AGAIN and are now working on 2020 orders. The following is our new shipping timeline for October and November: 

All orders placed in January 2020 for GST-9 Frames & Build Kits will be shipped by Next Friday, November 6th! We’re excited to see the acceleration in output, and it’s only getting better! We just completed 2.5 months of backlog in one month!

Orders placed in 2020 will be quickly filled with our higher production capacity. We will continue to release updated shipping timelines to keep you informed.

Additional updates on February orders to follow soon!

Words can not express our gratitude to our customers who stuck with us during this process.


The complete GST-9 pistol kit is everything you need to build a top-tier handgun, at a production level price. Engineered from the ground up to capitalize on all the strengths of the Generation 1-3 Glock® platform, while also incorporating the most common aftermarket upgrades as standard features, we've created a pistol that not only ships straight to your door, but outshoots you everyday of the week. 

Every GST-9 Pistol comes with:

 All that's left for you to buy is one of our top-of-the-line GST-9 Jigs! Our goal was for you to be able to go from opening the mail, to a competition or defense ready pistol in under 15 minutes. As always, our products are backed by our Lifetime Warranty!

Due to recently changed ATF regulations, we cannot legally include the jig or frame rails with the GST-9 frame. The jig and GST-9 frame must be purchased on our website as two separate items. Each jig includes one set of GST-9 frame rails. You will need to purchase one jig for every GST-9 frame you plan to build. Frame rails are ONLY included with the jig, not with the 80% lower itself.

How easy is it to build? Check out the instruction manual and see for yourself! 

Shipping Restrictions: This item is restricted from shipping to New Jersey, Rhode Island and Washington D.C.