Why You Should Always Read Your Firearm’s Manual

Why You Should Always Read Your Firearm's Manual

Why You Should Always Read Your Firearm's Manual

I had a friend who carries a Glock 23 every single day. He’s been doing so for at least as long as I’ve known him. One day we were at the range and I disassembled my pistol for a quick cleaning. On the bench beside me, he began to do the same. I was shocked when I watched him take apart his Glock 23.

He racked the upper receiver back and locked it to the rear. Then he depressed the slide lock and released the upper receiver. A quick pull of the trigger and the upper receiver was off. It slid forward. I knew he cleared his pistol before he did a break down of it but it was clear he had never stopped to read the owner’s manual.

So, I asked him if he knew the proper way of taking apart his Glock. I may as well have asked him if he knew how to drive his truck or if he was sure his children were really his. He begrudgingly handed it over. First, I checked to ensure it was clear — it was — and then I showed him the proper way of disassembling the Glock 23.

  1. Once I confirmed the pistol was unloaded, I depressed the trigger to the rear.
  2. Then I lightly pulled back the upper receiveraround 3/16ths of an inch.
  3. Depressed the slide lock button and slid the upper receiver off.

Simple. No locking the upper receiver to the rear, none of that other jazz. Both of those steps were completely unnecessary.

How did I know how to disassemble a Glock 23? I read the owner’s manual for the Glock 23 because I’ve owned one and still have a Glock 26. And then I watched a video on YouTube by an instructor showing the proper take-down method.

If this is news to you, no harm in checking out a simple video on how to properly do it. The disassembly begins at 0:40.

My range buddy was a bit kerfluffled by seeing someone else take apart his pistol for him the correct way. But, I pointed out where he could get the same information — his owner’s manual. Glock and most other major gun manufacturers are pretty diligent in ensuring an owner’s manual includes an operator level disassembly for cleaning.

They also have where proper lubrication needs to be added.

A lot of times after the range, we’ll just take apart a gun, scrub it, apply a light layer of lubrication to where metal touches metal and call good enough.

There are actually only a few recommended lubrication points for the Glock 19/23. For other handguns, those will be included in the owner’s manual.

This is why it’s always good to read the owner’s manual for any gun you own. Whether it’s just a weekend hobby shooter or a daily carry, knowing how your pistol works will help you better diagnose problems if they occur. It will also ensure the life of your pistol is just a bit better.

Proper use, disassembly, cleaning, and lubrication of any firearm requires at least a basic knowledge of how to do it. This information is usually found in the manual that comes with your gun. If that should fail, don’t be afraid to check with your gun’s manufacturing website to download a PDF of the manual.

Afterwards, if you still have questions, check around on YouTube for a video detailing the procedure you’d like to perform. There’s usually at least a couple for most major handguns on the market.

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Luke McCoy is the founder of USA Carry. In 2007, he launched USA Carry to provide concealed carry information and a community for those with concealed carry permits and firearm enthusiasts.
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Do you mean the disassembly lever? I had no idea you could take them apart by depressing the slide lock.


Glad I wasn’t the only one who caught that.


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Christopher Ellis

And you would be wrong as well

Christopher Ellis

Actually, the correct terminology for what you call the “disassembly lever” is the SLIDE LOCK. The other lever is the SLIDE STOP. It would pay to know a little about Glock’s before you try to criticize someone.


Wait, wait, wait. Who are you to correct the know-it-alls who don’t actually use the proper terminology…? 😉

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A lot simpler than disassembling the Ruger P345.


This is always a good thing to do. And not just for your firearm. But anything that you get new. I always read the owners manual for anything that I get that has one. Because they tell you not only have to work what you just got but also tells you how to trouble shoot things as well.


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maryjrembert3456 This type of posting is not suppose to be on this site. It has nothing to do with the topic of this post. And I don’t want to get these types of scam postings to my posts.

Jimmy Taylor

I flagged her and blocked




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This is not the place to post this type of things. your post has nothing to do with firearms. And this type o of posting is not wanted on this site. So stop posting this type of junk.

james lagnese


Jimmy Taylor

Sorry I stopped reading right after this “Simple. No locking the upper receiver to the rear, none of that other jazz. Both of those steps were completely unnecessary.”

My S&W Shield requires you to do these steps


He was referring to Glocks. His point was that you should always read your owner’s manual to see what the proper procedure is for the pistol/firearm you have.

William Dinwiddie

the extent of my pistol training in the service was the 1911 and m9 baretta and I read the fm for those pistols even after I had formal class instruction on those pistols and to this day I read the owners manual on everything I buy whether its a firearm, vehicle, or coffee maker. not all things are the same. only an idiot plugs things in and starts pushing buttons till something happens or blows up.

james lagnese

I used to, but many manuals are really bad today. It’s like they could have one page and on that page it would say: Please bring to dealer to have anything done. I swear, if they could get away with it, they wouldn’t let us put gas in cars.

“Upper receiver”?
“Slide lock button”?