Kevin Muramatsu

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Gunsmith Kevin Muramatsu has authored numerous books including, Gun Digest Guide to Customizing Your AR-15, Exploded Gun Drawings and Gun Digest Guide to Maintaining and Accessorizing Firearms, as well as the Gun Digest series of Assembly/Disassembly titles for pistols, revolvers, centerfire rifles, tactical weapons and shotguns.

How-To: Installing A Free-Floated Handguard On Your AR-15

Upgrading from a standard to a free-floated handguard can increase your AR-15’s accuracy potential, and it isn’t difficult following this procedure.

How To: Choosing A Flash Suppressor, Muzzle Brake And Compensator

Common muzzle devices — flash hiders, compensators, muzzle brakes — are often-overlooked features when shopping for an AR. But they shouldn't be, as each enhances the rifle in its own way.

AR-15 Optics: Red Dots

Now is a great time to add AR-15 optics to your rifle or carbine. In Part I, Muramatsu looks at the latest in red dot scopes for ARs.

Lighting Up Your Handgun with Tritium Sights

Most factory handgun sights are all right, until the lights get dimmed. From then on tritium sights reign supreme.

Photo Gallery: 20 Semi-Auto Handguns of Gun Digest 2015

From concealed carry handguns, to dedicated target blasters, to exquisite show pieces for the gun collector, there is something for every handgunner in this semi-auto handgun gallery from Gun Digest 2015.

Modular AR Trigger: Simple AR Accuracy Upgrade

Probably the easiest means of bettering your trigger pull is to install a modular AR trigger assembly. These have become all the rage. Kevin Muramatsu goes over the finer points of installing this quick and easy AR-15 upgrade.

Handgun Review: Boberg XR9-S

The Boberg XR9-S looks kind of funny. The ejection port is situated rearward and the magazine looks backwards. But when you understand how it works, you realize this thing is the ideal concealed carry handgun.

Building a National Match AR

The author builds a National Match AR from parts to be used in CMP competition.