7.62×39

The 7.62×39 mm Russian cartridge has a strong following in the United States. While most shooters encounter it in the SKS or AK47, it is also available in more refined rifles like the Ruger Mini-30, Model 77, or CZ 527.  Unfortunately for the M700 shooters …

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 referred to as Total Indicator Run-out, or Total Indicator Reading- …

In this post, Rifleshooter.com will be testing the effects of barrel length on velocity for the 7.62×39 mm Russian Cartridge. Chambered in the SKS and AK-47, the 7.62×39 mm Russian cartridge is well known throughout the world.  Ammunition tends to be widely available (it was first introduced …