Traditional Glock barrels have been cold hammer forged shallow rifled polygonal or octagonal rifled. Due to this configuration, the barrels were not safe to fire lead ammunition. The lead fouling could cause catastrophic failures. The barrels are designed for jacketed ammo and the barrels last basically forever, which in my opinion is a major accomplishment. The Gen 5 uses the same type rifling but in a hexagonal rifling pattern. This is a standard pattern, but some say this makes the Gen 5 lead safe. It is NOT!
The shallow lands and grooves are manufactured the same way, and rifling pattern (polygonal, octagonal, hexagonal) makes no difference. The new Gen 5 Marksmanship Barrel has the hexagonal rifling with the rifling moved further rearward into the chamber area reducing bullet jump into the rifling. The muzzle is crowned as well.
We also take a brief look at some of the flashlights that Olite has to offer for handguns.
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