1911 80% Steel Frame 70 Series – Select Options

1911 80% Steel Frame 70 Series – Select Options


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SKU: 191180STLFRM Category: Tag:


Introducing our premium 1911 Steel 70 Series Frame—the ideal starting point for building your very own, custom 1911 firearm. Experience the unparalleled quality and precision of our CNC machined frames, which boast tight tolerances on all dimensions to ensure a perfect fit.

Key Advantages:

  • MILSPEC compatible sizing and tolerancing for seamless integration
  • Expertly manufactured using precision CNC machining from billet material
  • .45 frame designed for Non-Ramped .45 barrels (barrel seat not cut)
  • 9mm, 10mm, and .40 S&W frames feature a Para Clark Cut barrel seat
  • No DROS required, making your custom build hassle-free!

With our 80% Frame, take charge of the finishing touches:

  1. Slide rail cutting for a precise slide-to-frame fit
  2. Barrel Seat cutting for .45 caliber builds to secure the perfect barrel fit
  3. Hammer Pin hole drilling for accurate hammer installation
  4. Sear Pin hole drilling for precise sear positioning

Embrace the excitement of creating a one-of-a-kind, personalized 1911 with our exceptional 1911 Steel 70 Series Frame. Unleash your creativity and design a firearm that’s visually stunning and delivers top-notch performance and durability. Make your mark in the world of custom firearms today!


WILL NOT SHIP 80% Lowers to the following areas: California; Colorado; Connecticut; Delaware; District of Columbia; Hawaii; Illinois; Massachusetts; New Jersey; New York; Pennsylvania; Rhode Island; Washington – Our products are not sold or shipped to residents of New Jersey


At US Patriot Armory, we by no means provide legal advice or legal counsel. Every builder needs to research their respective City, State and Federal laws in the area they are ordering from. We DO NOT provide gun-smithing advice. US Patriot Armory is not responsible for improper builds, damage or injury due to user error.

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