Don't mean to necro this post but figured I'd ask you before I give up
I grabbed one of these today at TA and was told I would have to grind down some of the threading to get it on. I bit of work and I got it. BUT my spring guide and bolt will not fit down the buffer tube. It just get jammed tight at the opening. Is this a faulty buffer tube? I dont want to go all the way up there again considering I was returning something that was broken on purchase the day before.
:/
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