AR-15 Build Guides
Step-by-step guides to help you build, upgrade, and maintain your AR-15. From first-time builds to advanced configurations.

How to Time a Muzzle Brake on an AR-15
Properly timing a muzzle brake on your AR-15 ensures optimal performance and prevents gas from venting into your face during shooting. Whether you’re...
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How to Headspace an AR-15 Barrel
Headspace is one of those technical aspects of AR-15 building that separates safe, reliable rifles from potential disasters. While many builders...
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How to Adjust an AR-15 Gas Block
Getting your AR-15 to run exactly how you want it starts with understanding and adjusting your gas system. An adjustable gas block gives you precise...
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How to Install an AR-15 Free Float Handguard
Installing a free float handguard on your AR-15 transforms both accuracy and modularity. Unlike standard handguards that contact the barrel through...
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How to Stake an AR-15 Castle Nut
The castle nut on your AR-15 might seem like a minor component, but this critical part secures your entire buffer system to the lower receiver. When...
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How to Pin and Weld a Muzzle Device
Pin and weld operations transform shorter barrels into legal 16-inch configurations by permanently attaching muzzle devices. This process allows you...
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How to Zero an AR-15 at 50 Yards
Getting your AR-15 zeroed at 50 yards provides one of the most versatile sight-in distances for the platform. A properly executed 50-yard zero gives...
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How to Break In a New AR-15 Barrel
Breaking in a new AR-15 barrel remains one of the most debated topics in the shooting community. Some shooters swear by elaborate barrel break-in...
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How to Build an AR-15 Lower Receiver: Step-by-Step Guide
A comprehensive guide covering build an ar-15 lower receiver: step-by-step guide. Find compatible parts on the AR15 Outfitters builder.
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How to Build an AR-15 Upper Receiver: Complete Guide
A comprehensive guide covering build an ar-15 upper receiver: complete guide. Find compatible parts on the AR15 Outfitters builder.
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AR-15 Gas System Lengths Explained: Pistol, Carbine, Mid, Rifle
A comprehensive guide covering gas system lengths explained: pistol, carbine, mid, rifle. Find compatible parts on the AR15 Outfitters builder.
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AR-15 Barrel Buying Guide: Caliber, Length, Twist Rate, and Profile
A comprehensive guide covering barrel buying guide: caliber, length, twist rate, and profile. Find compatible parts on the AR15 Outfitters builder.
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AR-15 Trigger Upgrade Guide: Single Stage vs Two Stage
A comprehensive guide covering trigger upgrade guide: single stage vs two stage. Find compatible parts on the AR15 Outfitters builder.
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AR-15 Handguard Buying Guide: M-LOK vs Picatinny vs KeyMod
A comprehensive guide covering handguard buying guide: m-lok vs picatinny vs keymod. Find compatible parts on the AR15 Outfitters builder.
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First AR-15 Build: Complete Beginner’s Guide
A comprehensive guide covering first ar-15 build: complete beginner’s guide. Find compatible parts on the AR15 Outfitters builder.
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AR-15 vs AR-10: What’s the Difference?
A comprehensive guide covering vs ar-10: what’s the difference?. Find compatible parts on the AR15 Outfitters builder.
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How to Choose the Right BCG for Your AR-15
A comprehensive guide covering choose the right bcg for your ar-15. Find compatible parts on the AR15 Outfitters builder.
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AR-15 Muzzle Device Guide: Flash Hiders, Brakes, and Compensators
A comprehensive guide covering muzzle device guide: flash hiders, brakes, and compensators. Find compatible parts on the AR15 Outfitters builder.
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How to Build an AR-15 from Scratch: Complete Guide
Building an AR-15 from scratch offers complete control over your rifle’s configuration, performance, and budget. This comprehensive guide walks you...
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AR-15 Lower Receiver Assembly: Step by Step
Building your first AR-15 lower receiver marks an important milestone in your journey as a rifle owner. This comprehensive guide walks you through...
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AR-15 Upper Receiver Assembly: Step by Step
Introduction to AR-15 Upper Receiver Assembly Building your own AR-15 upper receiver assembly is one of the most rewarding aspects of the AR-15...
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How to Choose Your First AR-15 Build
Building your first AR-15 represents a significant milestone in firearm ownership. Rather than purchasing a pre-built rifle, assembling your own...
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AR-15 Pistol Build Guide: What You Need to Know
Building an AR-15 pistol offers a compact, versatile platform that excels in home defense and recreational shooting. Unlike their rifle counterparts,...
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AR-10 Build Guide: Differences from AR-15
Building an AR-10 presents unique challenges compared to its smaller AR-15 counterpart. While both platforms share similar operating principles, the...
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.300 Blackout AR-15 Build Guide
Introduction to Building a .300 Blackout AR-15 The .300 Blackout cartridge has revolutionized the AR-15 platform, offering impressive versatility in...
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How to Build a Suppressor-Ready AR-15
Introduction to Building a Suppressor-Ready AR-15 Building a suppressor-ready AR-15 requires specific component selection and attention to detail...
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Featureless AR-15 Build Guide for California
Building a featureless AR-15 for California compliance requires careful attention to state regulations and proper parts selection. This guide walks...
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AR-15 Home Defense Build Guide
Building an AR-15 specifically for home defense requires careful consideration of components that balance maneuverability, reliability, and...
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