Top Three Upgrades C308 PTR H&K G3 Performance Mods

These top three upgrades will help improve the usability and overall performance of the G3 cetme type clone. PTR H&K G3 Century Arms C308 . These upgrades can be used to improve you 7.62 Nato 308 Rifle as well as 7.62x39 , 5.56, etc... Whatever caliber it is these upgrades cover them all.