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I have some rust on the muzzle thread of my sako 85, what is the best way to clean the rust without damaging the threads. Cheers Jack

Hi all, I have an ATec mod for the end of my Sako 75 in 308. The mod sits very well when first screwed on but after a bit of carrying in its slip or a few rounds down the barrel, it almost always works loose. Is there a product like loctite that I can use to tighten the thread up a touch? It...