Much obliged. I've never even thought about looking for the upper itself only the rifle as a whole.
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So, quick change barrels that require only a few bolts to swap, plus a gas piston.
Sounds a lot like the SCAR-L.
H
Are you sure about that? I run the 7.62 H&K and what I do is replace the lube on the BCG after 300-500 rounds. I use literally 4-5 drops of oil (it is enough) which I wipe off from the BCG after few range trips and put new oil on it. I wouldn't need to, but I can't see any harm in doing so. I do it mainly to clear the brass shavings off the bolt head.
Are you sure you could lube an AR-10 in a similar fashion?
Not sure about the AR-10 as I stick to 5.56 guns. I do know a few drops will easily get you by for thousands of rounds in a perfect environment with the AR-15, but if you are goin to be in a very sandy area extra lube is needed and it would be wise to wipe out the sand daily.
In a perfect environment you can run an AR-15 bone dry for a while with no issues. I believe Mike Pannone got to around 2,400 on a bone dry system when testing things out.
When you start adding things like sand, grass, mud, snow, ect that is when issues happen and why you should clean out that stuff daily.
Can't we just make a sticky thread, "The huge piston AR bashing thread" for example, where the people who feel the need to bash piston AR designs can blow off some steam every now and then? Instead of having every thread regarding a new product accumulating a shitload of posts, saying the following ad nauseum:
-Piston AR's are stupid/suck/<insert adjective here> bla bla bla
-All guns need lube, even pistons...bla bla bla
-Temperature differences between DI and piston is minute....bla bla bla
Everbody knows that the oprod design incorporated to the AR platform is viewed as unnecessary, with little to no benefit and a lack of industry standard, here on M4C. But honestly, having this happen in every god damn thread is getting quite old and reminiscent of other less professional boards.
Based on all of the threads on this board about DI AR's experiencing problems, one could draw some pretty damning conclusions about that system as well. But, as we all know, most problems stem from user error/incompetence, lower quality parts, worn or damaged parts, bad ammunition etc. Not the operating system.
It's getting ridiculous.
For a unit utilizing an armory concept, swapping barrels based on METT-TC analysis and re-zero before mission launch could be more cost effective than having two separate uppers (short/long barrel). re-zeroing is not going to be a time consuming process, and POI change is not going to be extreme.Quote:
Not to mention all quick change barrekls have some form of POI shift which is not wanted on a carbine.
It is most likely not meant as an in-mission barrel swap feature, or utilizing the carbine as a sustained fire support platform.