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Posted: 2/8/2010 5:40:33 PM EDT
| It seems that midlength gas systems are more and more popular these days. Why is a midlength gas system more desireable then a carbine gas system? |
.....and after the ban......that's important to me!
You may find these helpful:
03designgroup | Advantages of Mid-Length Carbines for Law Enforcement Officers 
03designgroup | Carbine vs. Mid-Length Gas System on a 16" Barrel
Keep in mind that the -14.5" with carbine length gas system -16" with mid-length gas system -18" with intermediate gas system -20" with rifle length gas system have approximately the same dwell time (distance from the gas port to the end of the barrel). Click on this link: http://www.bushmaster.com/anatomy_bushmaster.asp - then click on "SPLIT" at the bottom of the screen. Then watch the cycle of operation. Note where the gas port (gas hole) is located. Watch as the bullet travels down the barrel and past the gas port. Think about the information I posted above. If the barrel were longer, it will result in more gas being pumped into the gas tube and into the action of the carbine. More gas equals more force, more force equals a higher recoil impulse. Kind of hard to explain on the internet, much easier to show someone face to face. Hope this makes sense. |
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