How to Install an AR-15 Lower Parts Kit – Downloadable Guide
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Specifications
Description
This step-by-step downloadable guide describes how to install an AR-15 lower parts kit into a standard stripped lower receiver. These instructions apply to 80% lowers and AR-type pistol and rifle builds chambered in 5.56 NATO/.223, 300 BLK, and 6.5 Grendel.
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26 reviews for How to Install an AR-15 Lower Parts Kit – Downloadable Guide
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: www.P65Warnings.ca.gov
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.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.









Instruct video –
It was good, I’m very aware how to assemble, but never hurts to have any information available for library. Good to have on hand if you might be tired sometime. Doesn’t hurt to reference stuff at all, just makes you better at things
Jason White –
fast shipping. Great finish. Fine piece of work.
Levi Gross –
Informative and helpful
Jonathan Cline –
Have not used it as of yet, but the info provided is going to be very useful
Aaron Ellingson –
Good, clear instructions.
William Westbay –
Very helpful well presented