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· Premium Member
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I talked with HK customer service and was informed that steel jackets are harder than copper jacketed lead bullets and can cause more wear to the barrel. Also said the 762 would, as Jippo stated, safely work with the 308 cartridge if it met SAAMI specs. Winchester 762x51 FMJ white box also has a steel jacket, not copper over lead. Take a small magnet and touch the bullet if it sticks its steel, not good.
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