Category Archives: Up On ARs

Spare Parts

Best Have Some, And Schedule Replacement Intervals By Glen Zediker AR-15’s aren’t what I’d call high-maintenance, but if you’re a

Roll Pins

They Require Special Care In Removal And Installation By Glen Zediker I usually talk about some of the more “nuts

The Buffer System

An Important Part Of A “Balanced” AR By Glen Zediker This whole system, the buffer system, is dang near unique

AR Barrel Essentials

Part 3: Details Matter By Glen Zediker We’ve talked over the essentials: material, quality, construction methods. What’s left are details,

ABC’s Of Barrels

Accurate Bullet Delivery Is “All About The Tube” By Glen Zediker This is probably about the 20th time I’ve written


Make Sure You Know The Difference By Glen Zediker Although we’ve cautioned on chamber dimensions numerous times over numerous years,

Essential Tools

Maintaining An AR Can Be Painless With The Right Stuff. By Glen Zediker A few AR-15-specifc tools make some essential