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  • Users: jwax
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  1. J

    Colt .45 Series 70 Gold Cup

    Reddot rail keeps loosening up. It was drilled and tapped for a Clark rail to hold a reddot, but the 8X40 threads are "buggered". Tried chasing the threads and added locktite, but a few hundred rounds later, loosened again. Is going to a 10X32 capscrew a viable option? And lockwashers, and...
  2. J

    Rimfire internal ballistics

    Question: Why is an extractor needed, for example, in a S & W Model 41, when the spent brass is blasting back the slide anyway? Isn't the pressure pulse driving the brass into the face of the slide, pushing the slide back, meaning the brass is self-ejecting anyway? Why an extractor claw is...