Category Archives: AR-15 & 308 AR

Whether cleaning and maintaining an .308 AR or accurizing your AR-15 upper receiver, Criterion offers a variety of tips and tricks to help tighten up group size.

Chrome Lining vs. Salt Bath Nitriding: Which Barrel Finish Is Better?

One of the most frequently asked questions by shooters pertains to the difference between our barrels with chrome lining and salt bath nitriding. Customers looking for a durable, reliable, and accurate barrel configuration are presented with both of these options and want to make an educated decision that will suit their individual build requirements. While […]

What is Headspace and Why Should it be Checked?

Few tolerances found on a firearm are of more importance than headspace. Not only is headspace essential to rifle accuracy, but it is a major safety factor to consider when assembling a firearm. Improper headspace can cause case head separation, unsafe chamber pressure levels, or failure to function. What is headspace? Headspace is the distance […]

What Sort of Barrel Life Can I Expect From A Criterion Barrel?

Discerning rifle builders frequently want to know what kind of barrel life they can expect when purchasing a new Criterion barrel. We try to provide them with a detailed answer so that they can make the most educated selection to serve their intended needs and requirements. When exploring barrel life, it is important to ask […]

The Dirty Barrel Trend or: How I Learned To Stop Worrying and Love the Cleaning Rod

Is barrel cleaning good or bad for accuracy? “I don’t clean my barrel until group sizes start opening up.” This line is becoming more and more prevalent in the precision rifle community. Theories fly about the internet on why shooters don’t clean their barrels. Common arguments include the importance of eliminating the need for fouling […]

What Kind of Accuracy Can You Expect From Your Criterion AR-15 Barrel? Ammunition Quality Makes a Difference!

“What kind of accuracy can I expect from my Criterion AR-15 barrel?” It’s a fairly easy question to ask, but formulating an educated response can prove to be a very arduous task. While many barrel manufacturers will offer a 1 MOA guarantee with their products, very few explain what this 1 MOA group entails. Is […]

Criterion Barrels Releases “Accurizing AR-15” Video Series

Building a box stock AR-15 is a fairly simple process. Building a high performance AR-15 can prove to be a bit trickier. If your AR-15 isn’t producing groups that meet your expectations, there are a number of assembly methods that can aid in fine tuning the accuracy potential of your AR build. Josh and Mike […]

Building Your Perfect 3-Gun Rifle: Part 4

(Madalyn Stewart’s 3-Gun Rifle) Part 4: Lower Receiver Component Selection While upper receiver components are essential to rifle performance and accuracy, lower parts also play a vital role in ensuring consistent function and precise manipulation of the AR-15 platform. Trigger interface, control configuration, furniture design, and buffer construction can all vary significantly based on individual […]

Criterion vs. CHF: A Public Service Announcement Recommending Educated Barrel Buying

One of our new employees brought in his personal rifle build featuring a premium cold hammer forged rifle barrel for a quick barrel swap. After disassembling the rifle we took a look inside with a bore scope and were suprised by what we found! It wasn’t long before we had it mounted on a demo […]

Building Your Perfect 3-Gun Rifle: Part 3

(Heath Clevenger’s 3-Gun rifle build) Part 3: Upper Receiver Component Selection One of the many reasons the AR-15 is currently America’s the most popular rifle platform is due to its extreme level of modularity. By simple removing and locking two pins into place, a shooter can drastically change the intended role of their rifle. By […]

Building Your Perfect 3-Gun Rifle: Part 2

(Reliability is paramount in Niki Clevenger’s 3-Gun rifle builds – photo credit Snippets of Life Photography) Part 2: Functions, Classifications, and Build Strategies of the Ideal 3-Gun Rifle In our previous article, we discussed the recent trends in the firearms industry to customize and improve upon standard rifle designs. We also introduced a few of […]