10k rounds of polyfang 5.56,no barrel wear.

[RandallC]

From PolyFang, after 3 months and 10k rounds of ammo through Armalight barrels its showing no barrel wear.

https://www.thefirearmblog.com/blog/2019/04/05/10000-rounds-of-5-56-polyfrang-ammo-cause-zero-barrel-wear