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Old May 4, 2013, 05:45 PM   #4
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Join Date: March 18, 2013
Location: Northeastern US
Posts: 1,092
In the SP101, I think the difference is just over an inch. That's just past a third more barrel. I know it will make some difference. The obvious difference is in look, feel, and sighting. Exactly how much ballistic or handling difference will there be? I don't know how much this plays out tangibly but it looks like you pick up around 150fps.

I know I generally prefer the feel of a 4" barrel. The idea of tapering is also limited by the distance between muzzle and extractor rod housing, making the slope more abrupt in a 3".

Last edited by Cosmodragoon; May 5, 2013 at 03:03 AM.
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