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Long Stroke Gas Piston Conversion for AR-15 223
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Picture of Rusty
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Anyone done this? Got any opines?


Rusty
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"I am rejoiced at my fate. Do not be uneasy about me, for I am with my friends."
----- David Crockett in his last letter (to his children), January 9th, 1836
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Posts: 9797 | Location: Missouri City, Texas | Registered: 21 June 2000Reply With Quote
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Rusty,

I haven't done one, but in amoungst John Farnham's "Quips" he stated that he hasn't seen a gas piston AR make it thru his classes without a serious breakdown. He believes that shoehorning the parts into a stock AR upper makes them too small for durability.

http://www.defense-training.com/quips/quips.html

However, he is a big fan of the Robinson Arms rifle which was designed as a gas piston rifle.
 
Posts: 1912 | Location: Charleston, WV, USA | Registered: 10 January 2003Reply With Quote
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You could always buy a piston upper or complete rifle rather than doing a conversion. Wink
 
Posts: 8773 | Location: Republic of Texas | Registered: 24 April 2004Reply With Quote
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Unless one is going to get rid of the operating spring in the butt of AR type rifles

I see no real advantage into going to a piston gun.

If one gets rid of the rear operating spring and put a true folding stock on it I seee some advantages.
 
Posts: 19731 | Location: wis | Registered: 21 April 2001Reply With Quote
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Why not get a mini 14?
 
Posts: 56 | Registered: 28 June 2009Reply With Quote
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I already have a mini 14. Thanks for all your opines and information.


Rusty
We Band of Brothers!
DRSS, NRA & SCI Life Member

"I am rejoiced at my fate. Do not be uneasy about me, for I am with my friends."
----- David Crockett in his last letter (to his children), January 9th, 1836
"I will never forsake Texas and her cause. I am her son." ----- Jose Antonio Navarro, from Mexican Prison in 1841
"for I have sworn upon the altar of god eternal hostility against every form of tyranny over the mind of man." Thomas Jefferson
Declaration of Arbroath April 6, 1320-“. . .It is not for glory, nor riches, nor honours that we are fighting, but for freedom - for that alone, which no honest man gives up but with life itself.”
 
Posts: 9797 | Location: Missouri City, Texas | Registered: 21 June 2000Reply With Quote
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has anybody had an plain old ar ever really foul up with the impegment system? i never have. can't help but wonder if this is just another cure for a problem that doesn't exist
 
Posts: 13466 | Location: faribault mn | Registered: 16 November 2004Reply With Quote
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Butch.... You're just not "hip"

The tacticool crowd know that the unburned powder build up will get you killed...

I know that the piston styled AR clone isn't new.

Ever hear of the AR-18? Easier to clean than the M16, but I would not say more reliable.
 
Posts: 11190 | Location: Minnesota USA | Registered: 15 June 2007Reply With Quote
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long stroke piston? like an AK
seems like that would be hard to invent for an ar.
and if you never had the bolt so gummy it wont work you have to be cleaning it a lot


If your gonna be dumb, you gotta be tuff.
 
Posts: 399 | Location: S.E. Alaska | Registered: 01 January 2007Reply With Quote
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quote:
Originally posted by butchloc:
has anybody had an plain old ar ever really foul up with the impegment system? i never have. can't help but wonder if this is just another cure for a problem that doesn't exist


Couldn't agree w. you more. The uncool old system runs pretty damn good....
 
Posts: 969 | Registered: 13 October 2009Reply With Quote
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Picture of Rick R
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I've never been in the military where you could fire several hundred rounds in FA mode but I have attended a few training sessions where we fired four or five hundred rounds a day. It doesn't hurt to carry a bottle of lube and give it a little squirt in the holes in the bolt carrier when the going gets tough, but saying that I don't believe I ever had a malfunction from a dirty bolt, they've usually been caused by ammo or magazines.

IMHO the real weak spot in the AR design was the magazines and recent upgrades have fixed a lot of those problems.
 
Posts: 1912 | Location: Charleston, WV, USA | Registered: 10 January 2003Reply With Quote
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A solution in search of a problem.
 
Posts: 539 | Registered: 14 February 2003Reply With Quote
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