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.

10mm Defensive Ammo: Making The 10 More Perfect Than Ever

10MM defensive loads have come a long way in a short amount of time.

.450 Bushmaster: Why To Choose The Big, Big-Bore

OK, you want to put the hurt to something, with a heavy bullet moving along at a pretty high velocity? The .450 Bushmaster to the rescue.

AR-15 Lower: Putting The Internals Together

Assembling the AR-15 lower shouldn't cause a brain cramp, but there are a few tricks to make certain it doesn't rattle like a jalopy.

Smith & Wesson Performance Center: Is The Upcharge Worth The Money?

Given its less expensive than custom work by a gunsmith and has better price retention, a Smith & Wesson Performance Center gun is worth every penny.

Chen SI Magwell: Making Life–And Reloads–Simple

Drop-in ease and crafted by a verifiable master 1911 pistol-smith, upgrades don't get much sweeter than the Chen SI Magwell.

How It Works: The AR-15 Upper

There's more to the AR-15upper than a slab of forged aluminum. In its complete form, it's the heart of the rifle that makes the entire platform run.

5 Areas Of Concern In The AR-15 Build

Constructing your dream rifle from scratch isn't knockout difficult, but there are some processes of the AR-15 build that get folks tied in knots.

Self Defense: Do The 5.7×28, .25 ACP, .22 LR And .22 WMR Cut It?

Tempting as the convenience of mouse guns and micro pistols are, do the .25 ACP, .22 LR, .22 WMR and 5.7x28 have the stuff to save your life.