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Posted: 3/7/2010 5:12:18 PM EDT
| Is there a need to have a factory AR tuned by an armorer? If so how do you find a good armorer? |
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Quoted:
There is no tuning on an AR. They are either put together right or wrong. The components that they are made of determines their quality and accuracy. You can tune an AR but for the most part you don't other then maybe trigger work. That and maybe something like reaming a chamber out to a newer spec(ie reaming a 6.8 spc to the newer spc 2 spec). I've also seen some custom fitting done to make the upper and lower tighter. |
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Quoted:
I was thinking about reliability and function over accuracy, You're really not going to be able to tune it for this. The only thing I can think of off the cuff is a 5.56 chamber should yield more reliability than a .223 chamber given that the further leade gives more leway for a grain of sand or the like. The M16/AR-15 platform is reliable enough if you're not the average dumba$$ who doesn't properly care for his rifle. This from an ultra-anal Marine who views the general gun owning public as amateur dip$hits. Sorry for the belligerance. I'm drunk. |
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You can tune an AR but for the most part you don't other then maybe trigger work. That and maybe something like reaming a chamber out to a newer spec(ie reaming a 6.8 spc to the newer spc 2 spec). I've also seen some custom fitting done to make the upper and lower tighter.  some of us are cheap here. |
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Quoted:
You can tune an AR but for the most part you don't other then maybe trigger work. That and maybe something like reaming a chamber out to a newer spec(ie reaming a 6.8 spc to the newer spc 2 spec). I've also seen some custom fitting done to make the upper and lower tighter. some of us are cheap here.
I first saw someone talking about this on here but since then I've seen one in person. People take jbweld or another compount and plase it along the top of the lower reciever. They let it harden and see if it makes it tigher. They keep doing it until it is. If they go to far they sand it down some. I've seen it done before painting a lower to clean it up. Seemed like a real waste of time but the guy wanted the upper and lower to be really tight. |
| As for tuning for reliability, the only things that come to mind would be making sure the carrier key is staked properly, adding an o-ring or extractor upgrade, and reaming to a 5.56 chamber if it is a .223 chamber. Thinks like a chrome lined bore and chamber or M4 feed ramps don't hurt but I wouldn't consider those tuning, that is just buying the right parts to start with. If you have a gas block held on with set screws instead of the taper pin standard front sight base then dimpling the barrel where the screws contact it and loctiting the set screws is helpful. |
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