GST-9 MOD1 Pistol Frame

GST-9 mod 1 first released in November 2019, the GST-9 frame (GST-9 build kit) V1 set a precedent for the 80% frame market. It provided a modular grip system while maintaining Gen 3 G19 parts compatibility. With 3 years of customer feedback and thousands of rounds down range, we’ve raised the bar again with the new GST 9 frame!

The gas pedal shape and location were revised and re-contoured for optimized controls during the recoil cycle. The grip system of buy gst-9 frame was redesigned to guarantee a flush fit with grip modules when building out your frame. Last but not least, the rear rails were split into a 2-piece system to greatly help streamline the assembly process of GST-9 build kit.

FEATURES:

• Modular frame gives you the possibility of a 19, 19X, 19L, & 17-size weapon system in a single 4-in-1 platform.

• Compatible with Glock 19 Gen 3 parts, holsters, & aftermarket accessories.

• Ergonomic: undercut trigger guard, high beavertail, glove bevel, scalloped mag release, no finger grooves, & curved gas pedals as standard.

• Premium internal rail components extended 3X OEM length, made of stainless steel GST-9 build kit.

• Easily ships to your door & completes in minutes.

• Calibers: can be built out to support 9mm (G19) /.40cal (G23) /.357 Sig (G32).

*Please Note: GST-9 MOD1 frame only accepts G19 Gen 3 compatible internal parts and slides. See all possible build combinations here. Please refer to the instructional guide for assembly tips. Visit 80% Arms FAQ for common questions and troubleshooting tips.

**The MOD1 gst 9 frame does NOT accept Glock 17 slides. The MOD1 frame only accepts Glock 19, Glock 19L, & Glock 19XL slides* 

GST-9 build kit 80 Percent Arms strives to provide the highest level of customer service within 80% and the firearm industry as a whole. We support all of our products with a lifetime warranty* so you can build with confidence.

GST-9 FRAME – REGULATORY INFORMATION:

Due to ATF regulations, we cannot legally include the jig or frame rails with the buy gst-9 frame. The jig and MOD1 frame must be purchased as two separate items. Each jig includes one set of MOD1 frame rails. You will need to purchase one jig for every MOD1 frame you plan to build. Frame rails are ONLY included with the jig, not with the 80% lower itself.

NOTE:

80%, 76%, unfinished frames/receivers can’t be sold with ANY other products in the same order

By using this website to purchase and/or use this product, you affirm that:

• Permanent resident or US citizen, nor have you renounced your citizenship.

• Never been convicted of a felony.

• Verified that you may possess, purchase, and use this product under all applicable city, county, state, and/or federal laws

• You have never been convicted of a crime punishable by more than one year in prison.

• Have never been convicted of a domestic violence crime misdemeanor.

• You have never been committed to a mental institution or adjudicated as mentally defective.

• Not currently under a court order restraining you from stalking, threatening, or harassing a child or an intimate partner.

• Authorize Freedom Unlimited to send emails, text messages, or other forms of electronic communications to the contact information you provide.

GST-9 build kit – NOTES:

• All GST-9 mod 1 80% Blanks can’t be combined with any other products. (You can combine the different style of Blanks ie compact + full size and/or corresponding tool/jig kit)

• 80% GST-9 frame blanks will not come with any instructions, It is up to the buyer to do your own due diligence. If you are not mechanically inclined, do not purchase GST-9 frame.

• We are not Lawyers, so Please check your local and state law. When in doubt, please do not purchase.

• Please do your GST-9 mod 1 own due diligence and research before making a purchase. It is the CUSTOMER’s responsibility to know all applicable laws that apply. Freedom Unlimited Group Inc (FU INC) is not and will not be held responsible for any city, county, state, and/or federal laws that you (the purchaser) do not comply with. Due to the volatile nature and ever-changing laws regarding unfinished frames and lowers, these items are not returnable. Warranties will be handled on an individual basis.

DISCLAIMER: GST-9 mod 1 is not manufactured, authorized, endorsed, or warranted by GLOCK, or 5D TACTICAL SELLERS. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.