Originally Posted by
Clint
The gas system imparts more or less constant impulse / momentum to the moving mass.
Heavier buffers reduce recoil and counter recoil velocities, along with recoil energy. E = 1/2 m v^2
Heavier springs can absorb and release more recoil energy.
This is all complicated by the fact that excess recoil energy is stored and mostly returned by the buffer tip, resulting in more counter recoil energy and bolt bounce upon return to battery.
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As mentioned earlier, adding excess buffer and spring do not correct over gassing. They only attempt to mask it.
The most direct way to fix actual over gassing is to reduce the gas port.
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