Product Code: 36019-RAIL-SET

GST-9 V1 Rails Set - Nickel Boron


Ships 3-4 Weeks

Current Stock:

The GST-9 V1 was origingally launch in Novemebr 2019 for 80% Pistol Frame market by 80 Percent Arms. This style is now sold exclusively on 5D Tactical. Along with that, they designed an equally improved rail system that ensures smooth cycling every time. To ensure tight tolerances and precision, their front rails are made from industry-leading CNC cut hardened steel. Both the rails are then Nickel Boron treated to provide an additional layer of material hardness and ultimate lubricity.

Whether you are needing rails for a new frame or want to have extra parts to serve as spares, we’ve got you covered. And with the release of our new Pistol Pro Jig, you can now have a permanent tooling solution for many frames to come!

  • Front Rails front rails also works for 80 Percent Arm's Mod 1 Frames. 
  • Rear Rails - Orginal 1-piece rails, made out of Stainless Steel
  • Rails Pins - to complete after you mill your frame using the GST9 Jig or Pistol Pro Jig
  • Grips Pin - For the modular grips in the GST9 V1 Frame

Curious about the GST9 platform? Apprehensive about your first build? Check out our blog that discusses the differences! Rest assured that the V1 gives you the same controls and ergonomics of the MOD1 frame for budget friendly builds.

Please email, live chat with us, or call (508) 834-4223 for any questions about our products. 5D Tactical takes pride in exemplary customer service and educational information. Quick response times and helpful support is our gold standard.


This item is restricted from shipping to California, Connecticut, New Jersey, New York, Washington D.C, Washing, Hawaii, Maryland, Illinois, Rhode Island, Unincorpoated Boulder County Colorado (Allenspark, Coal Creek Canyon, Eldora, Eldorado Springs, Gold Hill, Gun Barrel, Hygiene, and Niwot), City of Denver Colorado, City of Philadephia Pennsylanvia.