MPA 556... new


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Autopistola
January 27, 2013, 09:24 PM
Thought this was neat, kind of like a modern AR180. The recievers seem to be stamped, and the rail is huge by today's AR standards. I'm digging the side-charger and folding stock. I don't see the AR crowd being drawn to this one though.

http://www.thefirearmblog.com/blog/2012/12/13/first-photo-of-masterpiece-arms-mpar-556/

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FIVETWOSEVEN
January 27, 2013, 10:05 PM
They need to fix the stock so it doesn't block ejection when folded and a bolt hold open would be nice.

Girodin
January 28, 2013, 03:53 AM
Interesting. I wonder what the street price would be. One things is that if things normalize again there are some pretty decent ARs are pretty competitive prices, such as PSA's offerings. I do like the left side charging handle. I'd agree the front end looks obese, although the real test is what it feels like in hand. It will be interesting to see what reviews of it have to say.

Fishbed77
January 28, 2013, 12:03 PM
I wonder what the street price would be.

MSRP is $959, according to the webpage linked above and some SHOT Show videos I saw. I guess street price will depend on the level of panic madness when these hit stores. $900-$2500? :)

They need to fix the stock so it doesn't block ejection when folded and a bolt hold open would be nice.

I agree that the lack of a bolt hold open/bolt realease is a big downside to me - maybe a dealbreaker. They also need to slim down the front rail/forearm. I understand that it is surrounding the barrel and gas tube system, but there has to be a more elegant solution.

Girodin
January 29, 2013, 01:53 AM
I guess street price will depend on the level of panic madness when these hit stores. $900-$2500?

True!

Auto426
January 29, 2013, 02:13 AM
I believe that the gun shown at SHOT was just a non-firing prototype. I would hope they have enough sense to use a folding stock that doesn't block the ejection port when folded. And while a bolt hold open isn't really a necessity, it seems really odd for a company to introduce a new semi auto rifle in 2013 that doesn't have one.

FIVETWOSEVEN
January 29, 2013, 03:06 AM
Agreed. The lack of a BHO isn't all that bad for me since I'm an AK guy but still.

Girodin
January 30, 2013, 01:56 AM
Pretty serious users of firearms have gotten by with out last round bolt hold opens, see e.g. the MP5. However, I agree it seems odd to not make a new design these days without one.

NG VI
January 30, 2013, 03:15 AM
The MP5 can't be locked open like the rest of the H&K rifles?

Auto426
January 30, 2013, 03:34 AM
The MP5 can't be locked open like the rest of the H&K rifles?


The MP5 has the same cocking tube setup as the rest of the G3 based guns. After the last round is fired, the bolt doesn't lock back on its own. The operator has to manually lock the bolt back using the hold open notch on the cocking tube.

But that's understandable to me, considering that design for the G3 and its variants dates back to the late 40's. The focus on ergonomics and fast shooting that we have today wasn't as prevalent back then. The MR556 is a product of the year 2013, where just about every manufacturer is working on ways to make their AR derived weapons fully ambidextrous and as ergonomic as possible. There's really no excuse for not including something as simple as a bolt catch on a new design.

JHenry
January 30, 2013, 05:21 AM
id be interested in seeing a dumbed down version w/o the railed forend and perhaps a full length folding non adjustable stock(appears to be compatable with all ace style stocks, so id ditch the m4 stock as i think it makes the gun look ugly as all hell) for an even lower price.

Tbh ive been craving a gun that takes AR mags that isnt an AR, ive been looking at Daewoos but this seems to be a cheaper and perhaps better overall solution as i wouldnt have to deal with those pesky 922r laws

paintballdude902
January 30, 2013, 05:38 AM
i like it id love to see something similar to an A-frame stock like the krink or a sig.


left or right folder has its flaws, right side u block ejection left u block the charging handle...

RustHunter87
January 30, 2013, 10:48 AM
so this is really just a short stroke Sig556?
might be awesome, looks like the charging handle is on the LH side :)

Girodin
January 30, 2013, 04:09 PM
The MP5 has the same cocking tube setup as the rest of the G3 based guns. After the last round is fired, the bolt doesn't lock back on its own. The operator has to manually lock the bolt back using the hold open notch on the cocking tube.

Correct, I should have stated to LRBHO to be clear. I have edited my post above to reflect that.

FIVETWOSEVEN
January 30, 2013, 07:35 PM
The MP5 has the same cocking tube setup as the rest of the G3 based guns. After the last round is fired, the bolt doesn't lock back on its own. The operator has to manually lock the bolt back using the hold open notch on the cocking tube.

Some MP5s have a last round BHO.

Sam Cade
January 30, 2013, 09:10 PM
Some MP5s have a last round BHO.

The 2 round burst MP 5/10 that I FFed did.

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