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80 Lower Blog

What is Ballistic Coeffient? Bullet Accuracy Explained

What is Ballistic Coeffient? Bullet Accuracy Explained

Posted by 80-Lower.com on Jun 18th 2024

Lots of math, physics, and engineering have gone into maximizing the accuracy of modern firearms, including the rounds we chamber. Ballistic coefficient (BC) is one way of calculating the accuracy of a bullet in flight -- but what, exactly, does it represent? Let's explain.What is Ballistic Coe …

DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80-lower.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.


Series 70 vs series 80 1911s: What's Different? Which is Better?

Series 70 vs series 80 1911s: What's Different? Which is Better?

Posted by 80-Lower.com on Jun 6th 2024

The 1911 has, since its original design over 100 years ago, remained relatively the same ever since -- but there are some key differences between the gun's original design, called the Series 70, and the updated design, known as Series 80. Let's compare.What is a Series 70 1911?The Series 70 1911 -- …

DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80-lower.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.


How to Assemble a 1911 Slide (Picture Guide)

How to Assemble a 1911 Slide (Picture Guide)

Posted by 80-Lower.com on Apr 20th 2024

Bought a 1911 slide kit? Finishing your 1911 build kit? Here's how to assemble your slide! If you're completing an 80% 1911 build, follow our guide on how to assemble your frame. NOTE: These instructions cover assembling a series 70 slide. Series 70 slides are what both 80% 1911s and many "m …

DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80-lower.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.


How to Assemble a 1911 Frame (Picture Guide)

How to Assemble a 1911 Frame (Picture Guide)

Posted by 80-Lower.com on Apr 18th 2024

Finished your 80% 1911 frame? Need to put back together a bunch of pieces for an upgrade? Here's how to assemble your frame. Note that although we're using a retail-bought 1911, the frame is, in form and function, identical to a completed 80% frame.Need to remove old parts first? Here's our guide …

DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80-lower.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.


How to Disassemble a 1911: The Ultimate Picture Guide

How to Disassemble a 1911: The Ultimate Picture Guide

Posted by 80-Lower.com on Apr 18th 2024

Need to clean your 1911? Want to replace or upgrade components? This step-by-step, instructional picture walks you through how to break down your 1911 -- from field stripping for basic cleaning, to complete disassembly with tools. Let's start.1911 Disassembly: Tools Required basic field strippi …

DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80-lower.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.


GLOCK® 17 vs 19: Key Differences & Parts Compatibility

GLOCK® 17 vs 19: Key Differences & Parts Compatibility

Posted by 80-Lower.com on Mar 19th 2024

The GLOCK series of handguns are, by the numbers, the most popular firearms on Earth. Of those, two models are favored far more than any others: The GLOCK® 17 and GLOCK® 19. At a glance, the G17 and G19 look nearly identical -- but there are key differences to consider. With all the aftermarket part …

DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80-lower.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.


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.