Quote:
Originally Posted by AwfAxis
I'm wondering if the extra slop where the barrel hood mates with the slide reduces accuracy; specifically when you put a stock 9mm barrel into a 40 slide.
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It absolutely will. The lock up between the slide and barrel is the critical component of accuracy. If the lock up is not tight, then it has the effect of the sights moving every time you shoot.
The M&P lock up is completely done at the chamber/slide interface. The barrel touches the slide at the muzzle, but that isn't the critical component of the lock up. Even so, the barrel should not move at all once the slide is forward.