Best Foldable AR-15 Stocks
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The 7 Best Foldable AR-15 Stocks and Complete Rifles for 2025

Are you looking to make your AR more compact and portable? Are you looking for the best foldable AR-15 stock?  The AR platform continues to dominate the market with its adaptability, and the introduction of foldable stocks is yet another innovation that causes operators to love the platform so much. Over the years we’ve tested…

Best AR-15 Red Dots
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The 7 Best AR-15 Red Dot Optic Setups [2025]

Outfitting your rifle’s loadout with a new red dot optic can greatly enhance its functionality while significantly improving both your aim and shot accuracy. In today’s vast AR-15 market, the choices of sights are as numerous and diverse as the marksmen out there that use them. With so many options, how do you choose the…

Aero Precision AR15 Lower Receiver
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Forged vs Billet AR Lowers: What’s the Difference?

When building a custom AR-15 from the ground floor, it’s of the utmost importance that you choose the materials that you intend to build upon wisely. A stripped lower receiver, for instance, is the anchor of your build and the makeup and weight of its materials will greatly determine how your rifle is centered, how…

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…

Auto-Ordnance Trump Lower Receiver
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7 Best AR-15 Stripped Lower Receivers [2024 – All Budgets]

Finding a solid stripped lower receiver for your AR-15 build is paramount. Not only because it grants you with a greater customizable canvas to work with from the ground up, but a stripped lower is, first and foremost, your rifle’s anchor.  The materials of which your stripped LRG is constructed can greatly affect your rifle’s…

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…

Velocity AR-15 Drop-In Triggers
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10 Best AR-15 Drop-In Triggers: Single Stage, Two Stage, Competition & More

If you’ve spent any time behind an AR-15, you know the stock trigger gets the job done—but it’s far from perfect. Heavy pulls, gritty breaks, and inconsistent resets can throw off your accuracy and slow down your follow-up shots. A drop-in trigger changes everything, offering a game-changing upgrade for shooters who want a smoother, more…

AR-15 Gas System Lengths
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AR-15 Direct Impingement vs Piston Gas Systems: What’s the Difference?

The evolution of rifle technology has been marked by significant milestones, one of which was the widespread adoption of piston-driven gas operating systems in military small arms. For decades, these systems, which channel a small portion of the gunpowder’s explosive force to cycle the weapon’s action, were the standard. They came in two primary variations:…

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