What a let down. I think HKs best days are well behind them. Personal preference obviously but I would rather have an FN SCAR.
Cameron
I agree. I had actually put some money aside for one of these when they were announced, but after getting more and more info on them I decided to put the money elsewhere. Nothing really new, I wouldn’t mind picking up a 10.5" 416 upper, but even then, meh.
HK used to be at the front of weapons development, I feel like they have been a little lax lately.
<— Old school. I’ll stick with my Colts. Pass.
Now, a few years down the road when/if this piston fad catches on, I might look for a Colt piston upper… Maybe.
Already have Colt ARs and a SCAR. If I weren’t so loyal to my local gun store, I’d buy it in a heartbeat.
Always good to see more selection in the AR arena but I’ll stay with what I’ve got.
I am glad it’s out for sale. Not my cup of tea but it is still cool.
This about sums it up for me. 
Everyone take a moment and acknowledge the significance of HK moving carbine production to the USA, in addition to making the HK45 here.
The more people we have working in this industry, the better off we are when it comes to combating communist liberals.
Kudo to HK, maybe they are finally giving up on “you suck and we hate you”.
More choices are always better.
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Wonder if it also means that they are feeling the financial crunch and are having to stoop to lowly civilians for an infusion of cash??
Just wondering…
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I will get one, but then again I already have a 416 upper so it would kind of make sense for me. I just passed on a SCAR-H because I knew this was coming fairly soon.
But I will wait for my local FFL to get his order in and save the $495.
My understanding of the MR556 is that they’ve hurdled every ATF and bureaucratic step to produce as much of a non-neutered HK416 for American consumption well before the economy went tits up.
Maybe this will standardize the AR piston market…
Can anyone confirm if the upper can be dropped on an M16 lower?
-Will I have to purchase a 416 carrier group?
-Will the 416 carrier group function in the MR556?
-Will the M16 hammer/sear function with the MR556 upper?
-What effect will the lack of chrome lining have on a barrel that sees heavy automatic fire?
What I’d really like to buy is an IAR complete upper. Also, I’m curious what that hole is behind the selector switch. The answers to those questions will drive my decision to purchase this, or not. If I do move forward, I’ll hold off for a while. I jumped on the SCAR early, and won’t be early adopting again.
Two short years ago I would have been all over this.
As has been said before, it’s not my cup of tea. But it will make someone happy. More choices = better.
I’ve used the 16, its a treat. Its superior to an M4 in every way unless you are extremely attached to your AR muscle memory. Definitely superior to a G36 jammed into an AR receiver shooting ~4MOA groups.
No doubt, we didn’t have another SL8/USC forced on us. That’s why I think it’s cool. It might not be 100% perfect in some peoples opinion but it sure is a step back in the right direction for them.
I would like to see some real-world accuracy figures. It seems like HK USA made a lot of accuracy mods to the rifle, and would like to see the result.
I would also like to see HK follow up with a thinner barrel profile (I don’t care about chrome lining) and a longer rail.
It is nice to see the rifle system that has pushed so many others to the side in real world competition come to civilians. Of course, if HK thought Delta, the Marines and various other outfits had tough standards, they have haven’t seen anything yet. Their next challenge: INTERNET COMMANDOS! Give it up HK. Nothing can defeat them.
THIS …
Waiting for the SBR/ SBR upper…
+1
Time to weed out all the garbage that has infiltrated the piston AR15 market.
Sadly, there is no shortage of bubbas that will line up for a SIG 516 or any of the million other pathetic conversions lingering out there. Mostly because they are cheap.
If I were buying a piston AR15, I wouldn’t get anything but an HK at this point. Lets be honest, that is what everyone wanted to begin with, not an LWRC, SIG, Ruger, Adams, CMMG, POF, STAG, S&W, LMT, Titan, Ares, Addax, Ospey, RRA, PWS…
Did I miss anyone?
Before anyone jumps up my ass to tell me how great their piston is, blah blah blah. I wasn’t making commentary on your toy, but rather most wanted an HK 416, and settled for brand X in HK’s absence.
Now that HK is actually here there is no reason to settle for the Monkees when you can have the Beatles.