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Thread: Gas Impingement Vs. Gas Piston
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23 October 2012, 20:44 #1Member
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Gas Impingement Vs. Gas Piston
As an Infantryman, the only weapon system I have ever used is the Colt M4, which operates using the gas impingement system, but I have heard that gas piston weapon systems like those made by LWRC are superior. I want to know before my first purchase, peoples opinions of what makes a better rifle system, and the drawbacks to both weapons.
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23 October 2012, 23:20 #2
The direct gas impingement system has a proven track record, is robust and lightweight. Piston systems are proprietary and their claim of superior reliability are overstated. With that said, there are some great piston systems available, but I would stick with the the standard system if picking up just a rifle or two.
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24 October 2012, 02:18 #3
As a guy who owns a few piston uppers, I agree.
Downsides to piston:
1. More working parts, some of which wear out and must be put on a regular replacement schedule. More working parts = more opportunities for malfunctions.
2. Add more weight to the rifle and cause slightly more felt recoil.
3. Not compatible with all available AR accessories (like rail systems for example).
Upsides to piston:
1. Keeps fire control and receiver area clean.
2. Some have adjustment for use with a suppressor.
Downsides to DI:
1. Have to clean more often than piston driven rifles.
Upside to DI:
1. Doesn't have the downsides to piston rifle...and long history of reliability.
If I had to own only one AR and/or it was an AR my life was going to depend on, I would go DI every time. If it was going to be a 14.5 or 16 inch barrel length, I'd go with a mid-length gas system, rather than carbine length.Triple Bravo
http://www.flickr.com/photos/triplebravo/
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24 October 2012, 07:50 #4Member
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Well said triplebravo. Although Pat Rogers may disagree on the cleaning regimine haha.
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24 October 2012, 19:59 #5Triple Bravo
http://www.flickr.com/photos/triplebravo/
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24 October 2012, 20:44 #6Member
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Ok that's what I thought. What would be a great brand to buy Noveske, Bravo Company, Knight's Armament?
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25 October 2012, 02:18 #7Triple Bravo
http://www.flickr.com/photos/triplebravo/
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25 October 2012, 08:03 #8
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25 October 2012, 13:06 #9
I think the only system that I would say a piston driven rifle would better serve you is a SBR. I would absolutely agree with the others, on DI's proven record, otherwise.
FT.
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25 October 2012, 13:23 #10
I think the "arguments" were very well stated by TripleBravo. I have both DI and Piston and would not hesitate to reach for either in a crisis. But I have been told I'm a wee bit retentive on maintenance I really try to keep things ready to go at all times.
NRA Benefactor Member
NRA Certified Instructor
"I won't be wronged, I won't be insulted, and I won't be laid a hand on."
John Wayne - "The Shootist"
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25 October 2012, 15:44 #11
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25 October 2012, 19:59 #12-Los
"I like my weapons like I like my women, slightly dirty, and well lubed."
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26 October 2012, 00:21 #13
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26 October 2012, 02:10 #14
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26 October 2012, 04:46 #15