Glock Buyers Guide
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Everything You Need to Know Before Buying Your First Glock [2024]

Are you in the market to buy your first Glock handgun? Looking to expand your arsenal, but aren’t sure how to decide?  Are you looking to “Gucci” your Glock? Yeah, it’s a thing. We’ll cover it later.  We’ve compiled the most complete breakdown of Glock handguns out there to help you make the right pick. …

Best Online Gun Stores
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15 Best Online Gun Stores [2025]: Best Prices, Fast Shipping, No B.S. Guide

Wondering where to buy the gun parts, ammo, and gear you’ve had your eye on, but not sure where to look? We’ve been there. That’s why we built this guide to the best online gun stores—so you can skip the overpriced, understocked local counter and find exactly what you need with just a few clicks….

Double Stack Magazines
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Single Stack vs Double Stack Magazines: What’s the Difference?

When it comes to choosing a magazine for your handgun, the main difference between a single stack vs double stack lies in their ammunition arrangement and resulting size. Single stack magazines align bullets in a single column, resulting in a slimmer profile, while double stack magazines stagger bullets in two columns, offering a higher capacity…

ar-15 stripped lower receivers
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What is a Stripped Lower Receiver?

In order to understand what a stripped lower receiver is, we must understand what a regular lower receiver is and does. Simply put, the lower receiver is the frame that houses a few crucial firearm components: the trigger assembly, safety controls, magazine well, buffer tube, stock, and grip. Without the lower receiver, there is no…

Best AR-15 Flashlights
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The 9 Best AR-15 Flashlights [2025] – Hands-On Tested

Ready to find a high-quality flashlight that can enhance your AR’s low-light visibility?  There’s a reason every rig should include a great flashlight setup: it’s a simple way to illuminate targets in the dark. The light source can be used at night to search out or identify a target, or during the day for inspecting…

CAT M4 Cleaning a BCG
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7 Best Gun Cleaning Kits + Recommended Tools to Build-Your-Own

Maintaining your AR rifle is not just about keeping it in good shape; it’s about ensuring its longevity and reliability when you need it most. The right cleaning kit is your ally in this mission, but with the plethora of options out there, choosing the best can be daunting.  But have no fear—CAT Outdoors started…

Silencer Barrel Threads

Common Thread Pitches

The list of thread dimensions below applies to factory-made barrels and contains the information published by manufacturers. This list is for informational purposes only. The muzzle thread dimensions may differ depending on the development of the product and changes in the course of its production. Although some firearms, such as AR-15 barrels, are pretty standard,…

AR-15 Bayonets
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The 7 Best AR-15 Bayonets of 2025: All Budgets

Over the years, we’ve seen a lot of cool and crazy AR-15 accessories. The versatility of the AR-15 is one of the things we most love about it. Of all the accessories we’ve tried and tested, one of the most overlooked add-ons are AR-15 bayonets. Bayonets? We know what comes to mind. But a good…

Best AR-15 Complete Upper Receiver Exploded View
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9 Best AR-15 Complete Upper Receivers for 2025: Precision, Home Defense & More

Are you in search of the best AR-15 complete upper receivers for your AR build, but you’re unsure about which type to mount on your weapon? Looking for another upper to swap in on occasion? Do you want to find another upper to add to your arsenal because, well, guns? After testing and reviewing dozens…

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