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There is already whats called a SWITCHBLOCK by noveske....
Build a couple as one-offs. Shoot the shit out of them. Have fun and learn. Share your experiences here too, if you like.
Then come back and with the experience and wisdom from your testing, market the gas block that you feel is best.
Oh no, not another lube thread! Read this first: Lubrication 101.
I am not Zolen or whatever. I work in a plant that manufactures parts for military weapons. I am basically wanting to build something like the PRI adjustable gas block but make it longer for those of us who use to have A2 front sights.
I checked out the switchblock, it is a short block (not at all what I am suggesting) and is $200.
As for reliability and usability, here are some reviews on an adjustable gas block http://www.midwayusa.com/viewProduct...tNumber=775354
Manufacturing one off's is VERY VERY expensive compared to running a batch of the same product.
I am wanting to know if anyone besides myself would be interested in purchasing this type of gas block and what materials and coatings they would prefer. I would appreciate your input on THIS topic.
Last edited by wirezend; 07-19-11 at 21:52.
But why do you want to vent gas out of the gas block? You'll take velocity out of the round for no benefit. What does this fix that other adjustable gas blocks don't?
Police work: If it were easy it would be called your mom.
The gas goes through the barrel, then the gas block, then through the gas tube and is used to actuate the bolt carrier. Once the bolt carrier is moved, that same amount of gas vents into the upper receiver (you loose that gas whether vented forward, or to the bolt carrier or not even using a gas block). The pressure of the gas is what determines the speed at which your bolt carrier will move. You will lose roughly the same amount of gas no matter what set up you have. It will make almost no difference to the bullet velocity. Venting the gas at the gas block allows you to fine tune the pressure that actuates the bolt carrier and thus speed of the bolt carrier action. You will not loose any more gas pressure to the bullet one way or the other. Fine tuning the gas pressure allows for less wear and tear on your bolt carrier and recoil plunger and spring. It also allows for you to slow down your cycle when you are cycling too quickly (repeated jamming).
Also, when you use a silencer, it causes a higher barrel pressure and thus a higher gas tube pressure. This causes a harder cycle on your bolt carrier. Venting that gas and lowering that pressure allows your bolt carrier to cycle at normal speeds even when using a silencer.
Last edited by wirezend; 07-19-11 at 23:02. Reason: to not be a douche
I must be mistaken,VERY sorry if i am.It's just that these were all posted the same day as well![]()
http://www.ar15armory.com/forums/Gas...S-t106663.html
http://www.thehighroad.org/showthread.php?t=603763
http://www.ar15.com/forums/t_3_118/5...on_System.html
Last edited by ARPATRIOT; 07-20-11 at 07:32.
I have thought about messing with that PRI part on a dedicated suppressed gun but I don't know if it will fit under a rail or not.
A silencer does not cause higher pressure in the barrel, it holds pressure longer.
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