Patrick Sweeney

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Patrick Sweeney is the author of many of Gun Digest books' best-selling titles, including Gun Digest Book of the 1911, Vols. I & II; Gun Digest Big Fat Book of the .45 ACP, Gun Digest Book of the AR-15, Gun Digest Book of the AK and SKS, Gun Digest Book of the Glock and Gunsmithing: Pistols and Revolvers, among other titles. A master gunsmith, Patrick is also Handguns Editor for Guns & Ammo magazine.

How Does A Suppressor Alter Accuracy?

Hanging nearly half to a full pound of metal off the muzzle of your gun is going to have an effect, but how exactly does a suppressor affect accuracy?

What is Headspace and Why Does It Matter?

Editor’s Note: This article is an excerpt from Gun smithing the AR-15: The Bench Manual by Patrick Sweeney. Learn how to check headspace and adjust headspace...

How To: AR-15 Assembly Tips

Editor’s Note: This article is an excerpt from Gunsmithing the AR-15: The Bench Manual, by Patrick Sweeney One of the most common questions that comes up in...

Muzzle Brakes and Flash Hiders: What’s the Difference?

Editor’s Note: This article is an excerpt from Gunsmithing the AR-15: The Bench Manual by Patrick Sweeney. Flash hiders and muzzle brakes (or compensators) are two types...

Gun Review: The IWI ACE Rifle

The IWI ACE is an evolution of an evolution, which was then further refined.

How To: Converting the AR-15 to Piston-Driven Operation

There are some solid benefits to converting the AR-15 to piston driven operation, but it can be a bit of an undertaking. Here's what you need to know.

How To: Pushing SKS Upgrades to the Limit

SKS Upgrades? It almost sound like an oxymoron. But here's what can be accomplished by a truly determined fan of the rugged cold war relic.

AR-15 Barrels: How To Chose The Best Fire Tube

Wading through the huge amount of AR-15 barrels on the market is daunting, but the selection process can be simplified if you boil it down to a few key factors.