July 15, 2025
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  • [ January 26, 2025 ] 782 Custom Gunworks “HUNDO” Loading Block Editorial
  • [ January 26, 2025 ] How do rifle suppressors affect muzzle velocity? Precision Rifles
  • [ May 31, 2023 ] The A-Team Mini-14? Customizing a Ruger Mini-14 A-Team
  • [ April 30, 2023 ] Removing stripped and sheared screws from a rifle Gunsmithing
  • [ February 28, 2023 ] Cut and Crown a Winchester 94 30-30 Gunsmithing
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concentricity gauge

7.62x39

Ammunition concentricity and accuracy: Testing the effect of run-out on precision

February 8, 2016 Bill Marr 0

What is cartridge concentricity?  Cartridge concentricity is how straight a cartridge is along it’s center axis.  The straighter the round, the lower the concentricity. Ammunition concentricity is measured using a method called Total Indicator Runout (T.I.R.)- sometimes […]

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Chamber Reamers

Gunsmithing
April 5, 2015 0

Lapua 6.5 Creedmoor Brass: Forming 6.5 Creedmoor cases from 22-250 brass

6.5 Creedmoor
November 2, 2015 0

Remington 870 ejector spring replacement

Gunsmithing
April 6, 2019 0

Bolton Gas Block Review

Accessories
February 16, 2013 0

Installing a short chambered barrel on a Remington 700

Gunsmithing
January 4, 2017 0
223 Remington/ 5.56mm NATO barrel length and velocity: 26 inches to 6 inches
6.5 Creedmoor- Effect of Barrel Length on Velocity: Cutting up a Creedmoor!
308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28" to 16.5")
223 Ackley Improved (223AI) loads and review: A better 223?
Budget precision rifle: Customizing the Savage Axis
M24 Sniper Rifle Review
Ruger American Rifle Predator 223 Review
300 Winchester Magnum: How Does Barrel Length Change Velocity- A 16" 300 Win Mag?
7.62x39 mm Russian: Effect of barrel length on muzzle velocity
308 Winchester/ 7.62x51mm NATO Short barrel length and velocity- A six inch 308 bolt gun?

Howa 1500 Review

Palmetto PA-10 Review: How accurate is a $400 AR-10?

1911 Gunsmithing: lower and flare ejection port

Glock firing pin channel removal and replacement


 

 

 

 

 

Building a Custom Remington 700 .308 Tactical Rifle

June 28, 2013 0

Sierra 6mm 110 SMK, 6 Creedmoor and 6×47 Lapua: initial impressions/load development

December 18, 2016 0

Gunsmithing basics: Tapping a blind hole

June 24, 2018 0

Lithgow Arms Crossover LA101 Rimfire review

April 8, 2018 0

6.5 Creedmoor load development: Sierra 107 TMK and Varget

February 10, 2018 0

Marlin 336 Straight Stock Conversion

November 18, 2012 0

Remington 870 Flexitab system and parts identification

March 15, 2015 0

Removing stuck choke tubes

March 31, 2020 0

Bolt action rifle muzzle brake installation: Installing a Surefire MB762SSAL/RE

May 27, 2013 0

Back bore a shotgun

August 5, 2015 0

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