AR-15s

How the Springfield Saint Compares to Other AR-15 Platforms

I am pretty well known as a huge DIY AR-15 advocate, and also for some of the full-custom projects I’ve…Read More >

I’ve said a few times that various tasks in building an AR-15 range in complexity and mechanical aptitude. They range…Read More >

I’ve written a lot on these pages and in my books about ills that can befall AR-15 platform gas systems,…Read More >

Most of the reviews I do here for Cheaper Than Dirt grow from a personal interest in the product, not…Read More >

Adhesives have their places in AR-15 construction projects, and application ranges from what I think is crucially important to what…Read More >

Understatement: .300 Blackout (aka AAC) is a popular cartridge among AR-15 fans. I like it especially in the shorter guns,…Read More >

AAC or .300 blackout takes two essential forms: supersonic and subsonic. The latter will be the focus of this blog…Read More >

Let’s get straight to it: “URG-I” stands for “Upper Receiver Group — Improved.” It’s the “new” M4. The URG-I is…Read More >

There is a huge array of AR-15 components available at Cheaper Than Dirt! Shopping options usually involve two criteria. First, is…Read More >

Most aftermarket AR-15 barrels to have a 5.56 chamber, also known as NATO. This is the MIL standard and should…Read More >