1. G

    Copper fouling phenomemon

    Ive got about 30 rounds through my new TRG 42 .338 and ive been cleaning the barrel every 3 rnds or so and the last time i was on the bench i ran maybe 10 rnds. Heres whats wierd, theres no sign of copper on any of my patches. has anyone else seen this because ive never had it happen with any of...