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Old December 1, 2012, 06:50 PM   #48
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Join Date: July 6, 2009
Location: Rocky Mountain West
Posts: 3,386
CaptK6, I'm sure my understanding is very elementary, but I think this is the basic function

Rotating Barrel - at least in the PX4:

Upon firing, the recoil of the slide allows a lug on the locking block to engage a groove in the barrel. As the lug rides the groove, the recoil forces are distributed by a rotation of the barrel, rotating the recoil forces more in a straight line.

Browning-style Tilting Barrel - like most current designs:

Upon firing, for a few millimeters of rearward travel, the barrel remains locked to the slide. This allows the barrel to maintain accuracy until the bullet leaves the barrel, at which point the barrel tilts downward, allowing recoil forces to dissipate.

I think either system can potentially be more accurate than any shooter without a rest.
16 Pistols, 5 Rifles, 1 Shotgun, no time to shoot them
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