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letaz77

20" barrel with mid-length gas port VS rifle length gas port

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Doesn't the mid-length open the door to timing problems in the cycle of operation? I am intrigued by the idea of a mid-length system, but would I be limited to use light bullets only? What is the tradeoff between these two length systems?

 

Eric

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Doesn't the mid-length open the door to timing problems in the cycle of operation? I am intrigued by the idea of a mid-length system, but would I be limited to use light bullets only? What is the tradeoff between these two length systems?

 

Eric

It is more an issue with 18" barrels and rifle gas. The 20" has no problems with either.

 

Bullet weight does not enter the equation. It is all about port pressure and dwell time.

 

Greg

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