Originally posted by stanc
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Designing a Grendel IAR
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"Those who sacrifice liberty for security, deserve neither." Benjamin Franklin
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Originally posted by Variable View PostI don't want to be a party pooper, but are you positively sure that a transferable HK sear is legal to run in a MGA MK46???
I don't think it is, but I'd love to be wrong!
Reading the thread in the above link, and also reading MGA's FAQ page leads to me to believe they are playing a dangerously deceptive game with their wording. If their product was legal to run with a pre-86 registered pack or sear, I'm quite positive they'd be screaming it from the rooftops!
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Originally posted by usar_ds View Postwell holy crap, i just read that thread and re-read MGA's faq and yeah, there wording is deceptive (at least to me). wtf
If sears were mobile outside their weapon "family" they'd be the Holy Grail of the NFA world. I wish it were so! Instead they are just revered artifacts of lesser power.LOL Now if I could get a Shrike style AR upper that takes 6.5 Grendel in RPD belts.... Booyah!Life member NRA, SAF, GOA, WVSRPA (and VFW). Also member WVCDL. Join NOW!!!!!
We either hang together on this, or we'll certainly HANG separately.....
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Originally posted by LRRPF52 View PostI think the whole concept of an IAR (mag fed) is flawed due to capacity limitations, even with reliable drum mags. Linked is really the way to go with the duty position.
What I see with the Russians is that they love 45rd RPK mags, but you don't see the RPK used much at all, while you do see the PKM as one of the most important weapons at the dismount level.
I sort of envision a narrow engagement window where an IAR would be simpler and handier, but since the real world doesn't feel constrained to that narrow window, I'd default to a belt-fed where and when I could.Life member NRA, SAF, GOA, WVSRPA (and VFW). Also member WVCDL. Join NOW!!!!!
We either hang together on this, or we'll certainly HANG separately.....
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I frequently wonder if there couldn't be some kind of ingenious way (that I haven't seen yet, and can't personally envision) that'd stack 50 rounds of grendel in a P90 style mag that was somehow dead-nuts reliable, quiet, sturdy, and somehow unobtrusive while allowing rapid swaps and wasn't awkward on the weapon? That would really peak my interest, but I don't guess I'm asking for much am I?Life member NRA, SAF, GOA, WVSRPA (and VFW). Also member WVCDL. Join NOW!!!!!
We either hang together on this, or we'll certainly HANG separately.....
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Originally posted by cory View Post...I think it'd be easier to design a reliable belt fed Grendel than a reliable 45+ round mag for the Grendel.
b. Considering that 30-rd mags have long been made for 6.8 SPC, it seems like it should be no great feat to design and manufacture 30-rd 6.5 Grendel mags.
c. You force me to bring this point up, once again: It has not yet been demonstrated that viable disintegrating links can actually be designed/developed for the 6.5 Grendel cartridge.
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Originally posted by Variable View PostAgreed as usual. I'd rather rock a belt. I guess we always come back to IARs because it's easier to acquire something like that in the civvy world.
And let us not forget, the Marines currently use an IAR. So, there could possibly be military interest in a Grendel IAR as well.Last edited by stanc; 09-13-2014, 03:13 PM.
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Originally posted by stanc View Posta. Is a 45-rd mag necessary? Doesn't the USMC use 30-rd mags on the M27 IAR?
b. Considering that 30-rd mags have long been made for 6.8 SPC, it seems like it should be no great feat to design and manufacture 30-rd 6.5 Grendel mags.
c. You force me to bring this point up, once again: It has not yet been demonstrated that viable disintegrating links can actually be designed/developed for the 6.5 Grendel cartridge.
Do I think it can? Yes, with a wider magwell."Those who sacrifice liberty for security, deserve neither." Benjamin Franklin
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Originally posted by cory View PostNor has it been demonstrated that a 30+ rd magazine can be made to mil spec requirements.
Do I think it can? Yes, with a wider magwell.
In contrast, there is good reason to doubt that viable disintegrating links for 6.5 Grendel are actually doable.
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Originally posted by Variable View PostAgreed as usual. I'd rather rock a belt. I guess we always come back to IARs because it's easier to acquire something like that in the civvy world.
I sort of envision a narrow engagement window where an IAR would be simpler and handier, but since the real world doesn't feel constrained to that narrow window, I'd default to a belt-fed where and when I could.
However, if you stack one beltfed against TWO magfed, I think the odds would be stacked the other way, even if the beltfed had a QCB. (at least if the barrels of the beltfeds and the magfeds were of similar profile.
Two magfeds would give:
-Better precision
-higher firepower for a short window of time
-be able to take out a higher number of targets inside a given window of time
-no firebreaks if properly used
-better mobility
Or, you could have two beltfed lightweight lmgs, without QCB, like the KAC LMG. Which would give you many of the pros, and even lose some of the cons with small magazines.
I am not a big fan of QCBs in the classic offensive infantry-role. IMO, it should only be brought along when you have large amounts of ammunition readily available, like in a defensive position.
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Originally posted by dobrodan View PostHowever, if you stack one beltfed against one magfed, I think the odds would be stacked the other way...
Two magfeds would give:
-higher firepower for a short window of time
-be able to take out a higher number of targets inside a given window of time
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Life member NRA, SAF, GOA, WVSRPA (and VFW). Also member WVCDL. Join NOW!!!!!
We either hang together on this, or we'll certainly HANG separately.....
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The M27 IAR imo intended purpose is to lay down suppresing fire but with greater precision than that of the saw. I don't know the range but it's full auto for this range and can be used like a DM for longer ranges. The only way to suppress a enemy isnt by putting high volume of ammo on them. Plus the ability to help in clearing a room due to its size.12.5" SBR Grendel - Need Barrel
Surge - Rugged Suppressor
Been a fan of the Grendel from the very beginning and haven't second guessed that choice one time.
Aim small, miss small!
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