October 4, 2023
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  • [ 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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Homecartridge concentricity and accuracy

cartridge concentricity and accuracy

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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Building a custom Savage Model 10 in 6.5 Creedmoor

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Accessories
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November 18, 2018 0
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Lithgow Arms LA101 22WMR Rimfire Rifle Review

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Cerakote’s big fail? USMC returns M45A1 Close Quarters Battle Pistols to Colt

April 27, 2017 0

Troubleshooting a .308 rifle

October 12, 2014 0

M24 Accuracy with M80 Ball Ammunition?

November 26, 2022 0

IWI US Tavor

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Accuracy testing a 16″ carbine: Daniel Defense Hammer Forged Barrel

July 21, 2015 0

Chinese Type 53 Carbine (Mosin) sight removal

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Installing a bead on a shotgun barrel

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Removing a fixed choke from a shotgun barrel and installing a choke tube system

February 19, 2014 0

Pillar bedding a rifle

May 16, 2016 0

Customizing the 1911: machining a golf ball front strap

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