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.
In this tech video we touch upon the 8-step cycle of operation of the AR-15, and specifically “lock time” or “locked chamber dwell time”. Lock time is essential to the accuracy and reliability we see from our gas guns.
This video explores one way to set up an AR-15 for accurate and reliable function when using your rifle with and without a suppressor. The addition of a suppressor increases gas flow and back pressure which changes the timing in the AR-15’s 8-step cycle of operation. Here are a few tips we have learned to help maximize […]
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 […]
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 […]
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 […]
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 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 […]
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 […]
(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 […]
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 […]