nexus field notes
Technical articles, gunsmithing insights, firearm design, testing, and observations from the shop.
Suppressors: What Actually Matters
The Difference Between a Range Toy and a Real Rifle
Stop Tuning Around a Bad Build
NFA Engraving Requirements Explained
A Properly Built AR Doesn’t Need Crutches
A properly built AR shouldn’t need tuning tricks to run right. Here’s what actually matters and why most builds miss it.
what makes a reliable ak
An AK isn’t reliable just because it’s an AK. If it’s built wrong, it’ll show—just not right away.
Barrel Threading done right
Barrel threading isn’t just cutting threads—it’s alignment, concentricity, and doing it right the first time. Here’s what actually matters and where most jobs go wrong.

