How To

Competently handling your firearm is only half the equation. The other half is understanding how to react in any given situation. This is where Gun Digest’s how-to section comes into play. Our expert articles, reviews and videos are sure to help you master the most powerful weapon at your disposal—knowledge.

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Understanding The AR-10 Upper Receiver

Mastering the particulars of the AR-10 upper receiver helps you get more out of the heavy metal brute.
Armalite makes a 7.62 rifle. The older version uses modified M14 magazines.

Decoding The AR-10 Lower Receiver

Understanding the AR-10 lower receiver is key to getting the rifle you want.
When Heavy Metal Division began, iron sights ruled and life was good. Then a lot of shooters got older and found optics were better. Thus, Heavy Metal Tactical was born.

Heavy Metal: Building An AR-10

If you want to compete in the Heavy Metal Division of 3-Gun, you’ll need an AR-10. Here are the basics.
Case thickness cannot be controlled, but by weighing the cases, it keeps the interior volume as consistent as possible.

Ammunition Reloading: Concentrating On Component Consistency

Learn to sweat the small stuff when reloading ammunition and you’ll be rewarded with improved accuracy.
This is a FLIR thermal optic on a .300 Blackout carbine. It offers an affordable thermal sight, with a cost under three grand, and ruggedness enough to last through a lot of nighttime hog-whacking.

Custom AR-15: Hog Guns and .300 Blackout

Equipping your custom AR-15 .300 Blackout with night vision, you can shop for all the pork you could possibly want.
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Performance AR: Build a Mk12 Mod 0

The Mk12 Mod 0 is a heavily customized AR-15 for mid-range sniper use. Here’s how to build your own.
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Pushing The Limits With Extreme Long Range Shooting Competitions

Shooting’s new super sport: extreme long-range shooting
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Video: Successfully Reading A Sporting Clays Station

Champion shooter Cory Kruse's tips for sporting clays success. Tactics for finding your break zone and game planning a station for greater sporting clays success.
Performance-AR-SBR-Truck-Gun-LEAD-1021 Here is a ready-to-go SBR, a Sig M400 with a factory 11.5-inch barrel. Put a compact can on it and you have a very handy package. Or, build a clone of it.

Custom AR-15 SBR Truck Gun Build

When you really need a short, handy AR-15, nothing beats an SBR truck gun.
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Double-Action Revolver: Secret To The Trigger

Working the trigger of a double-action revolver quickly and accurately isn’t rocket science, but there is a learning curve.
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AR Basics: Under Gassed? Check Your Gas Rings

Before you crack into the gas system proper, it's good practice to check the status of your gas rings.
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AR Basics: Issues That Mimic AR Gas System Problems

Informal tests might suggest an AR's gas system is to blame for a carbine's issues, but there are false positives that can muck up troubleshooting efforts.
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Handguns: How Much Lubrication Do I Need?

Handgun not running right? Your lubrication regime may be to blame. Find out the rules of thumb to keep your gun a well-oiled machine.
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AR Basics: Initial Diagnosis Of AR Gas System Issues

To troubleshoot an AR gas system, the first step is figuring out if the gas system is to blame.
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Modern Shooter: Dave Miller’s Secrets To Breaking More Clay

The Modern Shooter team gets world-class trap shooting advice from world-record holder Dave Miller.
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AR Basics: Understanding Direct Impingement ARs

Most AR rifles utilize a direct impingement gas-operated system to cycle. Understanding it is key to troubleshooting this vital system.
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Competently handling your firearm is only half the equation. The other half is understanding how to react in any given situation. This is where Gun Digest’s how-to section comes into play. Our expert articles, reviews and videos are sure to help you master the most powerful weapon at your disposal—knowledge.