The Soviet AO-29 Lightweight GPMG

In the early 1960s, the Soviet military found itself at a crossroads. The recently adopted Kalashnikov PK general-purpose machine gun (GPMG) has solved many problems by easing logistics and supporting a single machine gun type. Still, its adoption also revealed new tactical expectations: a single...

By Lynndon Schooler

Know Your Blowback? Roller-Delayed vs. Direct

Practically all shooters have experienced blowback. Not the type where something you did or didn’t do caused things to go sideways and have unintended consequences. No, I’m talking about the blowback operating system in rifle or pistol. You’ve fired a semi-automatic .22LR rifle or pistol, r...

By Robert A. Sadowski

The Rimfire Report: Back to Basics With the 10/22 & CCI Standard

In my ongoing ammunition testing series here on The Rimfire Report, a lot of you have said that you’d rather see me test most of this ammo out of a more normal gun, like a plain old Ruger 10/22. For 2026, we’re going to be doing exactly that. In the upcoming months, we’ll b...

By Luke C.
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