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45 ACP / 5" Government Tactical / Anodized Black Frame

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The .45 ACP Government Tactical 1911 80% Frame is CNC-Machined using 7075 heat-treated aluminum. Sporting an anodized black finish, this tactical frame blank is perfect for fabricating your custom, ultra-light 1911 from scratch. By ditching steel for aluminum, this frame weighs approximately 60% less than an original 1911. It's still compatible with standard (mil-spec) 1911 parts, making it perfect for your project.

Grab a .45 build kit to finish your frame!

State Laws Vary

This is a 1911 frame blank. It is only partially fabricated. It cannot be made to operate in its current state, and is not considered a firearm under federal law. State laws vary. This frame blank is restricted in some states. See shipping restrictions.

Operation to be Completed

  • Cutting the side rails
  • Cutting the barrel seat
  • Drilling the hammer pin hole
  • Drilling the sear pin hole

1911 80% Frame Features

  • Low-Profile Tactical Picatinny tactical rail
  • Manufactured to be used with a 5” barrel
  • Constructed from 7075 heat treated aluminum
  • 60% lighter than steel 1911 Frames
  • Proudly made in the U.S.A. (Ohio)
  • Made for use with non-ramped .45acp barrels


WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to:

Shipping Restrictions

Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily. only ships within the United States. Federal legislation dictates we cannot ship our products internationally.


We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.