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I know a of companies have been touting it as more "reliable" than DI, but it really isn't. It can help if you're running a suppressor and don't like gasses being blown in your face, but there other solutions like the PRI gasbuster charging handle. If you really want more reliability, use a mid-length gas system on your 14.5" or 16" carbine. Mid-length is closer to ideal pressure than the old carbine length gas system and will reduce undue wear and tear on your internals. As an added bonus, you will have less of a recoil impulse too.John Noveske said:Also, we should mention the poor choice of platform for the piston conversion on a round receiver bore as found on the M16/M4 system. All other piston type systems out there utilize a railed receiver design, like the M14, AK-47, M249, FAL and so on. The round receiver bore design used on the M4 is only acceptable for the standard op system. The carrier and bolt expand on axis with the bore under the normal gas impingement cycle, but on a piston gun, you run into off center impulse issues with carrier tilt and incorrectly designed carrier contact points. Some designs attempt to address the carrier tilt problem with over sized carrier tails and rollers. I do not believe the receiver extension should be used in this manner. I know many people are very happy with their piston weapons. This is not meant as a knock on the piston conversion systems out there, but as a philosophical dialogue focused the new physiological relationships applied to the M16/M4 platform through the introduction of an operating system which has traditionally been applied to receivers with rails for the bolt and/or carrier. I would rather see an entirely new weapon system designed for the piston from the ground up.
I agree with the replacement parts argument. Thats why I am still in the research phase, asking the wise people on NWFs.
Now I don't have any personal experience with and piston kit, but I don't think you should have any "slam". Seems if it is installed and working correctly there shouldn't be any gap between the rod and the carrier when locked in battery.
I'm also surprised to hear of increased recoil and muzzle climb with a piston system. The extra weight (one of the negatives) towards the end of the rifle should have the opposite effect.
To paraphrase the famous Ivan Chesnokov on rifle design, Why you want piston for AR-15? Is not good enough as procured from(insert manufacturer here)? You think needs improvement? Then maybe find job with Army of United States! You have drinks with ghost of Eugene Stoner.Trade story of many weapons designed and details of school for engineering. Or maybe you not do this. Probably you never design weapon in whole life. You look at fine American rifle,think it need crazy Piston inside of weapon. You have disease of American Capitalist. Change thing that is fine for no reason except to be different from Direct Impingement comrades. You put overpriced flashlight on one side. You put funny looking,delicate scope on other side. Next you put piston on inside to make shameful travesty of rifle of Eugene Stoner,no? Rifle is fine. You mess it up,it only get more parts and you still have to clean it. Save $250.00 and buy many magazines of cartridges. Go to firing range and practice,practice,practice like good American soldier. You not need dumb piston put inside of rifle.
To paraphrase the famous Ivan Chesnokov on rifle design, Why you want piston for AR-15? Is not good enough as procured from(insert manufacturer here)? You think needs improvement? Then maybe find job with Army of United States! You have drinks with ghost of Eugene Stoner.Trade story of many weapons designed and details of school for engineering. Or maybe you not do this. Probably you never design weapon in whole life. You look at fine American rifle,think it need crazy Piston inside of weapon. You have disease of American Capitalist. Change thing that is fine for no reason except to be different from Direct Impingement comrades. You put overpriced flashlight on one side. You put funny looking,delicate scope on other side. Next you put piston on inside to make shameful travesty of rifle of Eugene Stoner,no? Rifle is fine. You mess it up,it only get more parts and you still have to clean it. Save $250.00 and buy many magazines of cartridges. Go to firing range and practice,practice,practice like good American soldier. You not need dumb piston put inside of rifle.
Curious, why would you want a piston system on your AR?I was thinking about trying a Adams Arms piston conversion kit on one of my AR's. Cheaper Than Dirt is selling them for $267 + shipping. Does anyone have any experience with this kit?
OKAsk any Daewoo owner.
OK
I'm ASSUMING you own a Daewoo.
Why would a Daewoo owner (or anybody for that matter) want a piston driven AR?
OK
I'm ASSUMING you own a Daewoo.
Why would a Daewoo owner (or anybody for that matter) want a piston driven AR?
WOW! SWEET! You can post in Latin! And a Daewoo too? (again, I ASSUME) Still, this is not a matter of taste. Rather, it's a bunch of marketing hype BS many have bought into.De gustibus non desputandum.OKAsk any Daewoo owner.
I'm ASSUMING you own a Daewoo.
Why would a Daewoo owner (or anybody for that matter) want a piston driven AR?