Archive author
Glen Calvert
25 indexed articles · 2019–2023
Published work
Articles by Glen Calvert
Portable Bandsaw Upgrade
I built an adjustable fence for my low cost bandsaw.
Mini Mill Upgrades
Here’s how I improved my Harbor Freight mini mill.
Mini Mill Overview
Thinking about buying a mini mill? Here’s how to determine the best fit for your shop.
Rimfire Rifle Aperture Sights
An aperture sight with a longer sight radius can improve accuracy. I bought one and built another.
F-Class Bipod Build
Here’s how I fabricated a bipod to improve long range accuracy in F- Class competition.
Bullpup and Electric Trigger, Part 2
A custom 22 Long Rifle bullpup rifle with an electric solenoid trigger system installed in a completed aluminum chassis.
Bullpup and Electric Trigger, Part 1
Here’s how I built a 22 Long Rifle bullpup with an electric solenoid trigger system.
Springfield Armory M1A Maintenance
Here’s how to disassemble and service the action and gas system of the M1A rifle.
Lessons Learned
Making mistakes is guaranteed. Learning from them is optional. Here is some of the learning I’ve earned.
Ruger GP100 Optic
Here’s how I installed a “no drill-no tap” mount and handgun scope on a Ruger GP100 revolver to improve my accuracy.
Case Annealing
Here’s a simple and inexpensive project to anneal brass cases and prevent the necks from cracking when reloading.
P.08 Luger Inspection and Repair
A common assembly error is corrected and a broken ejector replaced.
Ruger 22/45 Mark III
How to reassemble a Ruger rimfire handgun from a box of parts.
Ruger LCP II and LCR Handguns
Two small, lightweight handguns that are reliable, accurate, and easy to carry.
Linda Folding Stock
I wanted a side-folding stock for my Linda Carbine. So I built one.
The Linda Carbine
I first saw the Linda Carbine in an article about two years ago. To me, it was a neat retro design with a high “coolness” factor. I wasn’t interested in a pistol caliber carbine at the time as there were higher priority…
Cold Bluing
How I used a cold blue liquid to make an old shotgun look like new.
Smith & Wesson M&P 40 Trigger Kit Installation
The trigger travel and pull weight can be significantly reduced on striker fired handguns with the installation of an aftermarket trigger kit. This is how I did it on a Smith & Wesson M&P 40.
Marlin Model 43 Shotgun
Produced in the early 1920s, this Marlin 12 gauge pump shotgun had a cracked stock and needed a thorough cleaning. This is how it was disassembled and repaired.
Beretta Model 418
Beretta’s 418 .25 ACP handgun is an early pocket pistol. Dating from the 1930s, it was used by the world’s most famous secret agent.
Accuracy Tools
Here are the tools and techniques I use to improve accuracy with mounting optics and making ammunition.
Ruger 10/22 Accuracy Upgrade
The Ruger 10/22 rifle has a large variety of aftermarket parts available to improve its performance. This is what I did to improve the accuracy for rimfire competition.
Remington 1100 Repair
This 1960s-vintage 28 gauge shotgun had been partially disassembled, the action was locked up, and the feed latch needed to be re-staked. Here is how it was repaired.
Savage 10 BA Stealth Precision Rifle
This rifle in 6.5 Creedmoor delivers 0.5 MOA or better accuracy without breaking the bank. I made a simple modification to help me shoot it better.