AR-15 Setup, Maintenance and Repair

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Gun Digest
Patrick Sweeney
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Maintain and Set Up Your AR-15!


Whether you're a beginner who is new to the AR-15 or are an intermediate shooter, you'll find everything you need to know to keep your AR-15 operating smoothly in AR-15 Setup, Maintenance and Repair. Written by master gunsmith and best-selling AR-15 expert Patrick Sweeney, AR-15 Setup, Maintenance and Repairis your one-stop guide to repairing, maintaining and modifying America's favorite rifle.

It's all here!

  • Hundreds of detailed photos

Step-by-step maintenance & repair

Accessories & modifications

Tips, tools & techniques

And more!


If you need to disassemble and maintain your AR rifle, or you're ready to swap barrels or handguards, add optics, or customize its stock, AR-15 Setup, Maintenance and Repair tells you everything you need to know. From field-stripping to keeping an AR functioning at its peak no matter how harsh the environment, Sweeney gets under the hood with you to keep it running.

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Contributor Bio

Patrick Sweeney is a certified master gunsmith and armorer instructor for police departments nationwide. He is author of many Gun Digest books, including Gun Digest Book of the 1911 Vols. 1 and 2; Gun Digest Book of the Glock Vols. 1 and 2; Gun Digest Book of the AR-15 Vol. 1, 2, 3 and 4; Gunsmithing: Rifles; Gunsmithing: Pistols & Revolvers 1 and 2; and Gunsmithing the AR-15 Vol. 1 and 2.

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