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First for 2025. HK MR556 A4 Login/Join 
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Picked this up yesterday. 11” HK MR556A4 pistol. Added the SBA3 (for now), HK flip up sights, HK Gen 3 polymer mag, and AEMS. Still need to change out the flash hider for a suppressor mount. Filed an eForm 1 this morning.



Disclaimer: No it doesn’t have a chrome lined barrel, and no I don’t care. Wink
 
Posts: 3488 | Location: South FL | Registered: February 09, 2007Reply With QuoteReport This Post
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That is seriously sweet, and will be even better as a legit SBR. So jealous.
 
Posts: 1715 | Location: Raleigh, NC | Registered: March 29, 2006Reply With QuoteReport This Post
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Congrats. I have often thought about getting one but man they ain't cheap. I say to myself I don't need any more guns and I really don't, but the HK Sp5 is calling out to me. I would like to afford a MR556 as HK makes guns that just appeal to me.
 
Posts: 7256 | Location: Treasure Coast,Fl. | Registered: July 04, 2003Reply With QuoteReport This Post
Husband, Father, Aggie,
all around good guy!
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Looks great, I think the pistol is what I would buy as well. I think if I get the pistol I would attempt to put the gen 1 rail forearm on it. I just like how it looks with a short barrel.

Let us know how long the efile takes?
 
Posts: 3562 | Location: Tomball, Texas | Registered: August 09, 2005Reply With QuoteReport This Post
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Sweet purchase. How do you like the pistol grip? Is it compatible with all the existing AR options?
 
Posts: 2484 | Registered: May 17, 2006Reply With QuoteReport This Post
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Originally posted by arabiancowboy:
Sweet purchase. How do you like the pistol grip? Is it compatible with all the existing AR options?


It’s fine. It seems to be a based on the HK adaptive grip design, although it’s all one piece and lacks the interchangeable grip panels and backstrap of the original. Also lacks the storage compartment in the bottom. Personally, I like it better than the fatter HK battlegrips. Yes, it’s a standard AR grip mount so you can use any AR grip.

Swapped out the AEMS for an Eotech XPS2, which seems to co-witness with the HK 33mm flip up iron sights, and replaced the flash hider with a suppressor mount. Still waiting on the Form 1 approval.
 
Posts: 3488 | Location: South FL | Registered: February 09, 2007Reply With QuoteReport This Post
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Just checking to confirm that it’s a standard receiver extension/ buffer tube correct? In other words, as soon as your form 1 is approved you can stick a stock on there without having to change out the tube right? Thanks




“It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; who errs, who comes short again and again, because there is no effort without error and shortcoming; but who does actually strive to do the deeds; who knows great enthusiasms, the great devotions; who spends himself in a worthy cause; who at the best knows in the end the triumph of high achievement, and who at the worst, if he fails, at least fails while daring greatly, so that his place shall never be with those cold and timid souls who neither know victory nor defeat.”
 
Posts: 5698 | Location: Upstate NY | Registered: February 28, 2002Reply With QuoteReport This Post
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Originally posted by Lt CHEG:
Just checking to confirm that it’s a standard receiver extension/ buffer tube correct? In other words, as soon as your form 1 is approved you can stick a stock on there without having to change out the tube right? Thanks


Yes, it’s a standard buffer tube. It’s the same exact tube that’s on the 16.5” rifle. The pistol simply doesn’t come with the stock.
 
Posts: 3488 | Location: South FL | Registered: February 09, 2007Reply With QuoteReport This Post
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Originally posted by Dwill104:
quote:
Originally posted by Lt CHEG:
Just checking to confirm that it’s a standard receiver extension/ buffer tube correct? In other words, as soon as your form 1 is approved you can stick a stock on there without having to change out the tube right? Thanks


Yes, it’s a standard buffer tube. It’s the same exact tube that’s on the 16.5” rifle. The pistol simply doesn’t come with the stock.


Thank you!




“It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; who errs, who comes short again and again, because there is no effort without error and shortcoming; but who does actually strive to do the deeds; who knows great enthusiasms, the great devotions; who spends himself in a worthy cause; who at the best knows in the end the triumph of high achievement, and who at the worst, if he fails, at least fails while daring greatly, so that his place shall never be with those cold and timid souls who neither know victory nor defeat.”
 
Posts: 5698 | Location: Upstate NY | Registered: February 28, 2002Reply With QuoteReport This Post
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You'll love it! They are a nice platform and just work. I'm lucky that I have one for work, and it definitely gets used...a lot.

As far as the flash hider goes, we went with B&T Rotex Xs. They mount on a standard A2.

 
Posts: 853 | Location: East Central MO | Registered: January 21, 2009Reply With QuoteReport This Post
Green grass and
high tides
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you have a hell of a budget for work rb.

congrats Dwill



"Practice like you want to play in the game"
 
Posts: 20038 | Registered: September 21, 2005Reply With QuoteReport This Post
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Yep, I bought one also on Jan. 15th.
Mounted an Eotech green on it.
Filed my Eform1 on the 17th.
Put a SBA5 on it for now.
Hole driller.


________,_____________________________
Guns don't kill people - Alec Baldwin kills people.
He's never been a straight shooter.
 
Posts: 1358 | Location: Idaho | Registered: July 07, 2010Reply With QuoteReport This Post
I wanna go home
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Very nice. I am torn between the SBR and full size. I already have 6933 and a apc223 sbr so I will probably go full size.
 
Posts: 1223 | Location: Pa | Registered: December 16, 2006Reply With QuoteReport This Post
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That is a nice weapon,congrats!
 
Posts: 102 | Location: Louisiana | Registered: July 26, 2020Reply With QuoteReport This Post
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