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Changes to wrong mechanical operations section to the AR-15 article
--220.127.116.11 (talk) 20:16, 30 November 2015 (UTC)I am sure that you are just doing your job but there need to be some changes made to the AR-15 article page. The following is what I suggest and if you have any questions you may want to check the Stags Arms company website at: http://info.stagarms.com/blog/bid/297530/The-difference-between-Gas-Piston-and-Direct-Impingement-technology-for-an-AR-15 And I do thank you for your consideration, Merry Christmas.
The difference between Gas Piston and Direct Impingement technology for an AR-15
Posted by Stag Arms on Fri, Sep 06, 2013
The AR-15 Rifle, while eminently customizable, carries with it a few conundrums. One is the choice of operating system; do you get a model which uses gas piston technology, or the more traditional direct impingement?
Fans of the gas piston will state that impingement models are prone to jamming and often foul easily. Fans of the impingement model will call gas piston tech mechanically unsound. Who is correct, and what is the real difference between the model types here?
Basic AR Functionality – What makes an AR-15 an AR-15?
To qualify as an AR-15, a rifle must be self-loading, and be able to perform a specific set of basic functions mechanically, without user assistance. To be more specific when depressing the trigger, the rifle needs to fire a single cartridge, and then extract that spent case from the chamber and eject it in some manner. Next, it must then load an unspent cartridge into the chamber. The round is plucked from the magazine, the breech is then locked, and the hammer cocked. The rifle will then have a fresh round loaded, and again be ready to fire.
Direct Impingement – How do the original AR-15 models work?
Direct Impingement is the original technology, devised by Eugene Stoner. Propellant gas is bled through a small hole located in the barrel, which is then channeled through a very small tube where it can proceed to directly contact (or impinge) the bolt carrier mechanism. At this point the gas is pushed to the rear of the rifle, and the spent case is extracted and ejected. It is then pushed forward by spring-loaded action, and strips an unspent round from the cartridge, loading it directly into the chamber of the barrel. Contrary to the statements of Gas Piston proponents we have put over 2000 rounds through rifles without cleaning and without malfunction.
Gas Piston Technology – How do the new piston technologies work?
Gas piston technology was first used in modern firearms by Mikhail Kalashnikov on the AK-47. While similar at first blush to direct impingement systems, there are a few key differences in operation. The firing process again begins with propellant gases being bled into the barrel. However, instead of being forced into a tube as it is in a direct impingement system, it is contained in a separate cylinder.
This cylinder contains a piston(similar in operation to what you may find in an AK-47). The gas moves the piston, is in turn pushes the bolt carrier rearward to handle the extraction and ejection process, and then is moved pushed forward to the closed position by a spring just as with direct impingement.
Which system is better?
The direct impingement has proven itself through the years on the AR-15 platform and replacement parts are inexpensive, easy to obtain, and generally made to a set “mil-spec” standard. Due to the hot gas from the fired cartridge being redirected into the action it will quickly heat up and become dirty requiring a cool down period before the bolt carrier can be removed from the rifle.
The action of a piston rifle remains cool and clean, even after shooting 100 rounds in rapid succession. The bolt carrier can be removed immediately and held in your hand without burning yourself. The trade off for the action staying cool and clean is that you will experience snappier recoil when shooting which makes the piston rifle a little less accurate, especially for follow up shots. Finally, piston system parts are not interchangeable between manufacturers due to there being no set standard and the use of proprietary pistons and bolt carriers 18.104.22.168 (talk) 20:16, 30 November 2015 (UTC)
- Hello, the main problem of edits is that they remove a lot of wiki markup. Also you give attribution of your edits in the article itself, which is, to say it nice, not done. Wikipedia articles also don't really have questions. Concluding, there are some problems with your edits, which you can probably fix very easily by looking how other articles are written. --Wiki13 (talk) 20:34, 30 November 2015 (UTC)
- I noticed the edits and reverts and would like to point out that in addition to being thoroughly unencyclopaedic in both style and content the material added also seems to be a copyright violation (copied from Stag Arms), so there are multiple reasons for removing it. Thomas.W talk 21:09, 30 November 2015 (UTC)