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98Z5V

98Zs Mk12 Mod H in 6.5 Grendel

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I might as well get this shiit started already.  All the lower parts just got ordered, minus a trigger.  DSG Arms hooked me up.

Here's the lower - perfect lower for this one.  Bought it last summer when they dropped it, and it's been sitting in storage, waiting to grow up into something.

  This might progress faster than I want it to. 

P1060882.thumb.JPG.0c7c6cd26b24f863d7bf53c136326082.JPG

This is what a Mk12 Mod H is, if anybody was wondering - it's a Mk12 running a 16" barrel and a different top rail (not full length):

image.thumb.png.ff172b3f2e78387b3c3dceba04b277a7.png

 

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3 minutes ago, Matt.Cross said:

Things that make you say "Hmmmmm...."!

It will have the Allen Engineering hardware, too. I'll need to call them.:thumbup:

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41 minutes ago, ARTrooper said:

When I grow up, I want to have a gun problem just like you

Refuse to grow up.  I'm handicapped by my own Natural Immaturity, but that can't be held against me.

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lol. I wasn't talking about maturity. God knows that most of us have the maturity of a teenager discovering "that's what she said jokes for the first time." lol. I meant more of financial growing up. haha

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That’s what you were talking about earlier. Is like a MK12 baby. I like it. Sooner or later you could be getting an Op inc can on the end of these.......

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39 minutes ago, edgecrusher said:

Sooner or later you could be getting an Op inc can on the end of these.......

Gonna have to be the Allen Engineering AE30. I need to call them. Has to be a 30-cal can on this one, because all their other ones are 5.56 cans.

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Big update coming for this one tomorrow night, but until then - here's a fantastic video on the Mk12 Mod 0 and Mod H history:

https://www.full30.com/watch/MDEzMTAy/technical-review-and-history-of-the-mk12-modo-and-modh

Here's the one he did for the Mod 1:

https://www.full30.com/watch/MDEzMDAx/mk12-mod1-rifle-history-and-technical-review

@Robert@FULL30, I'm glad you've got that guy on Full30 - he's good!  :thumbup:

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So, "the barrel that doesn't exist yet" showed up today.  SPR profile 16" Grendel barrel from BA, and it's every bit as nice as the other Mk12 profile barrels I'm got from them.  I had the lower, buttstock, VLTOR A5SR extension, and rifle spring sitting here from stock.  I needed a few parts from DSG Arms to make a lower-minus-trigger, including a VLTOR A5-H2 buffer, so I ordered that stuff up once I had confirmation from BA that the barrel was real.  I put the lower together and tossed a stock mil-spec trigger in it for now, until I can get a LaRue in it.  BA pinned the gas block on there for me, which was a surprise - I like that. 

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While I was at work today, I thought about something - I have a 16" 300BLK rifle that I built up with a Precision Reflex FDE Gen III rail along time ago, just because.  I've never like the setup, as a whole, it just never went all the way to a Mk12, and I never did anything with it after that...  Shot well, but oh well.

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YES!  I ripped it down!  I'll put a lightweight ALG 15" rail on that 300BLK, and I'll like it alot more like that.  I'll have a "spare" PRI folding front sight until I can "Mk12 Mod 0" something in the future - but that's how I got here in the first place - parts stored.

P1060893.thumb.JPG.8a8437a1ef5cb77ab6e46b121ffcc7bb.JPG

I put that damn Ruger GSR flash hider on there for now, so I don't ding the barrel threads.  The Allen Engineering hardware will be on this when I get it all wrapped up.

Here it is with the Mod 1:

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I don't have the BCG or a charging handle, and there's ALOT of expensive PRI parts that I need to finish this, and that's gonna take MUCH time.  In the meantime, if I raid a BCG and CH from a Grendel, and maybe raid an optic from a Grendel, I can shoot it next weekend and see how it does...

 

Edited by 98Z5V

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To make this thing a runner for this coming weekend, I had to raid some parts.  BCG and CH from the M4 Grendel.  Well, hell then, why not take the 5x scope off it?...

P1060895.thumb.JPG.b7b185efb76476932b36634cff8e92d3.JPG

 

I'm not in it for a 5x scope, though - I want to stretch this thing out a little.  At least 600 or 700, so let's just go grab the scope off the 25/45 for this weekend, instead.  It's meal-dots, so I can definitely make this work.  I'll combine the drop data between the 18" and the 12.5", and come up with a decent starting-chart for it for Sunday.  If I can pull off something accurate, I'll true the velocity with the Kestrel.   This is where it'll sit for awhile, while i figure out money, everywhere.  Too much money, everywhere, that I need to figure out. 

P1060904.thumb.JPG.76da1505088ed9d302bd3238a24a9d12.JPG

Edited by 98Z5V

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I did that for you, brother.  All the way, completely for you...   :hail:

I will probably intentionally state it in your voice now, since that shoot, just as an honor to you...  :thumbup: Anyone gives me any shiit for it gets the...:bat:

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@Matt.Cross, I feel a Mk12 Mod H on your horizon, brother.  I just do. 

You have a 16" Barbie gun with a 16" M4-profile barrel?...   We can Mod H that thing...   I'm just sayin'...   :thumbup:

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@MikedaddyH is coming down in the morning, and a buddy from work - I have an invitation out to the hot MX chick, but she said she didn't know what her plans were yet.  That's probably not gonna happen tomorrow, but it will happen sometime...  We're gonna shoot, and I'll run this thing through it's paces. I'll try to set up something between 500 and 660 yards, but that all depends on if other people come out there and shoot - like the dude that came out for pistol practice, and set himself up about 100 yards away from a 660 yard target, for me and @Matt.Cross at last year's Spring Shoot... :laffs: 

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