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.

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 […]

Building Your Perfect 3-Gun Rifle: Part 1

(pictured are two custom rifle builds from American Defense MFG. Each rifle is designed to suit the unique configuration requirements of a different shooter) Part 1: When One Size Doesn’t Fit All: Why the Universally Perfect 3-Gun Rifle Build is a Myth Introduction: There once was a time when every firearm manufactured could be considered […]

Team Clevenger AR-15 Barrel Installation Guide

CBI sponsored 3 Gun shooters Heath and Niki Clevenger put together a brief walkthrough outlining Criterion AR-15 installation procedures in their latest blog post. The written article provides step-by-step instruction with photos showcasing each part of the installation process. Please note that these barrels should be headspaced before or after installation. A go/no go gauge […]

Recommended Rifle Barrel Cleaning Procedures

What is the Best Way to Clean a Rifle Barrel? We are asked this question quite frequently alongside requests for recommended break-in procedures. Improper barrel cleaning methods can damage or destroy a barrel, leading to diminished accuracy or even cause a catastrophic failure. When it comes to barrel maintenance, there are a number of useful […]

Why Our A2 Receivers Are Triple Pinned

When it comes to service rifle and high power competition, minor sight adjustments can have a serious impact on a shooter’s score. Criterion A2 upper receivers are specifically designed with the competitive shooter in mind, integrating a number of features that can help ensure a precise sight picture. One such feature is the triple pinned […]

Barrel Break-In Procedure

It is not unusual for us to receive a number of questions regarding barrel care soon after a customer purchases their first Criterion barrel. Oftentimes we receive questions relating to barrel break-in procedures. In this article we have set out to cover some break-in basics and answer a few other commonly asked questions. What is […]

3 Gun Application for CBI Barrels

Shooting with Criterion We began sponsoring 3-Gun match shooter Sean Dexter in May 2010. After being supplied with one CBI chrome-lined AR15 barrel, he has experienced first-hand the benefits of shooting with Criterion. “They are perfect for the application,” Sean says, “I have never shot a chrome-lined barrel that matches its accuracy and stamina.” The […]