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AR15.COM
7/18/2014 5:15:35 AM EDT
Alright I don't have a true La Rue Rifle but my AR has La Rue and MagPul furniture.  I'm waiting on a Stealth 5.56 to hot swap on the lower.  What I do have is a Ruger SR556 in 6.8 SPC I have to say that I absolutely love everything about this round except it's price.  I was surprised at the kinetics of it, and wonder how much different it would make a firefight then the 5.56?
7/18/2014 5:43:00 AM EDT
[#1]
The one you can shoot and manipulate the best will be the most effective in a "firefight" IMHO. The number of times people hit things other than their intended target would be embarrassing except for the fact there is something shooting back, so slightly more stress.
7/18/2014 5:49:39 AM EDT
[#2]
My reasoning is I've seen the 5.56 do some crazy things in a firefight.  I've seen it drop someone with a single hit and I've seen it hit someone in the wrist ride just under the skin of the forearm and shoot out the elbow without breaking any bones.
7/18/2014 6:16:07 AM EDT
[#3]
One word: FMJ
7/18/2014 8:40:24 AM EDT
[#4]
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One word: FMJ 7.62NATO
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FIFY
7/18/2014 8:46:42 AM EDT
[#5]
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FIFY
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One word: FMJ 7.62NATO



FIFY


Assuming a few variables, I'd give that a big +1
7/18/2014 8:58:19 AM EDT
[#6]
You can thank the Geneva Convention rules for the 5.56s lack of effectiveness. S2S is right... OTM, tipped or hollow point would do a lot better.
7/18/2014 9:28:42 AM EDT
[#7]
Well the interesting thing on the 6.8 SPC is that it's an interesting hybrid carrying very similar kinetics of the 7.62 w/ weights closer to the 5.56
7/18/2014 9:50:31 AM EDT
[#8]
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FIFY
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One word: FMJ 7.62NATO



FIFY


The OP was asking about the lessor calibers

Soonerman hit it.
7/18/2014 9:54:58 AM EDT
[#9]
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Well the interesting thing on the 6.8 SPC is that it's an interesting hybrid carrying very similar kinetics of the 7.62 w/ weights closer to the 5.56
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Not to poo poo your thoughts but you might want to look past the first 100m if you're going to say that.
7/18/2014 11:24:13 AM EDT
[#10]
Not to poo poo on yours I've shot it out to 500 with no issues.
7/18/2014 11:35:17 AM EDT
[#11]
There's also 300blk to consider.

If you reload, you can roll some super sonic loads with 145gr~150gr M80 ball projectiles and get some pretty good results at range.


Also, you can use spent 5.56 cases to make new 300blk cases, just cut it at the shoulder and then get one of Dillon's trimmers for getting the over all case length right.

I understand that the 300blk leaves something to be desired for some, but you have to admit, on a logistical level, it is a thing of beauty.



Use the same mags, brass, and bolt from your 5.56

Use the same bullets, muzzle device, and suppressor as your .308

Rock and Roll



I know you're centered on 6.8, and I'm not trying to discourage you from using it, but it's something to consider.

7/18/2014 12:41:54 PM EDT
[#12]
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Not to poo poo on yours I've shot it out to 500 with no issues.
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I've heard it shoots great out to 800 maybe even further, just thought when you said firefight it was with something other than paper
7/18/2014 1:04:25 PM EDT
[#13]
Well if you're trying to call me out, I've got mine. I'm not going to go into details on my service cause I got nothing to prove. As for the 6.8 it was developed specifically to replace the 5.56 do to the fact that the Muj is typically high as a kite when they go into a fight and it wasn't having good results.  Cost and production became the problem so its limited to some SOC weapons. So thanks pal stick to playing with paper and trolling forums.
7/18/2014 1:22:37 PM EDT
[#14]
Not trying to call you out brother to me you are just an avatar like me that I use to learn thing from or call B.S. on. Not doing either of those here was just trying to participate in a caliber debate.

Perhaps you should define the firefight you want this weapon to perform in and we can go from there. Does the 6.8 have more punch than 5.56 in the 0-500m range? Yes it does. Does it have as much as a 7.62 in the 200-800m range? No it does not. Are 5.56 and 7.62 easier to find than 6.8? Where I am yes. Do I care what people that can't find a barber shoot? Nope. It all depends on what you're lookingfor oour of your gun.

I still stand by whatever you are most accurate with and can most effectively manipulate use that one and your effects will be greatest.
7/18/2014 1:28:37 PM EDT
[#15]
No need to bust nuts on forum.  The 6.8 is a nice round, giving you a lot more mass to work with.  The 7.62x39 has been proven to be very effective in combat, and  see the 6.8 being a similar, slightly better round.  You'll be able to find 5.56 in a pinch and carry more of it compared to the 6.8 though.
7/18/2014 5:52:23 PM EDT
[#16]
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Well if you're trying to call me out, I've got mine. I'm not going to go into details on my service cause I got nothing to prove. As for the 6.8 it was developed specifically to replace the 5.56 do to the fact that the Muj is typically high as a kite when they go into a fight and it wasn't having good results.  Cost and production became the problem so its limited to some SOC weapons. So thanks pal stick to playing with paper and trolling forums.
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Quoted:
Well if you're trying to call me out, I've got mine. I'm not going to go into details on my service cause I got nothing to prove. As for the 6.8 it was developed specifically to replace the 5.56 do to the fact that the Muj is typically high as a kite when they go into a fight and it wasn't having good results.  Cost and production became the problem so its limited to some SOC weapons. So thanks pal stick to playing with paper and trolling forums.


Quoted:
No need to bust nuts on forum.  The 6.8 is a nice round, giving you a lot more mass to work with.  The 7.62x39 has been proven to be very effective in combat, and  see the 6.8 being a similar, slightly better round.  You'll be able to find 5.56 in a pinch and carry more of it compared to the 6.8 though.



This just further illustrates my original point; 7.62NATO and go!

I realize that 5.56 is the standard for the military and that isn't changing anytime soon. 6.8 has seen very limited adoption,  but it is a far cry from seeing the widespead availability that you have with 5.56.

I mentioned 300blk only because it does a pretty good job of giving you a round larger than 5.56 in small block AR while keeping the logistics super simple.


If you want a true fighting rifle, with the ability to:

-put down hajis cracked out on PCP, opiates, amphetamines, etc.

-kill the transmission or engine block of most modern automobiles

-take dangerous animals in the wild such as bears, mountain lions, panthers, etc.

-defeat lightly fortified positions

-AND do all of this accurately out to 1000 yards


You need to suck it up and get a 7.62.


When I first bought my 7.62 OBR, I actually sold all of my 5.56 guns (two bushmasters--built before they started to suck) and I never regretted it.

I was skeptical at first because of the added size and weight, but after getting used to it, I'll never go back (unless I'm teaching my wife or kids to shoot and they can't heft a .308).  

My 7.62 OBR the only rifle I would take into any situation,  and I consider it my "one gun I would keep if I had to leave all of them behind".


7/18/2014 6:37:21 PM EDT
[#17]
If I had to go into the wilderness with one rifle, it would depend on the wilderness, and what state I was in. Around where I live, the mountains are very steep, and the shots are not going to be over 500 yards. My 6.8 SPC will work fine and I can carry more round of 6.8 than I can .308, not to mention the rifle is way lighter........ If I were in an area where things were more open, my 16"/7.62 TOBR would be what I would carry. It all depend on who, or what you intend to shoot, and at what ranges. In Hajjieland, 7.62x51 all the way. From my bedroom to the front door, 6.8SPC, 7.62x39, or .300 BLK are quite good...... 5.56, better than a pistol, and what I have the most ammo for (by a factor of 2)...... In this state (CA) I would take my Registered assault weapon, (Colt) 5.56, because I have preban 30 round magazines for it. Sure I could swap the 6.8 upper on it, but then I am limited by law to 10 round magazines, same with the TOBR... My M-1A, as currently built, is way too heavy to lug up and down mountains at my age..... Not to mention I have to leave off my pistol grip or it becomes illegal..... Stinkin' Cali!!!!!!!
7/18/2014 7:49:59 PM EDT
[#18]
You really should consider moving to a free state.
7/18/2014 8:16:05 PM EDT
[#19]
^this.  CA is full of knuckle-head politicians and creek hippies
7/18/2014 10:31:55 PM EDT
[#20]
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If I had to go into the wilderness with one rifle, it would depend on the wilderness, and what state I was in. Around where I live, the mountains are very steep, and the shots are not going to be over 500 yards. My 6.8 SPC will work fine and I can carry more round of 6.8 than I can .308, not to mention the rifle is way lighter........ If I were in an area where things were more open, my 16"/7.62 TOBR would be what I would carry. It all depend on who, or what you intend to shoot, and at what ranges. In Hajjieland, 7.62x51 all the way. From my bedroom to the front door, 6.8SPC, 7.62x39, or .300 BLK are quite good...... 5.56, better than a pistol, and what I have the most ammo for (by a factor of 2)...... In this state (CA) I would take my Registered assault weapon, (Colt) 5.56, because I have preban 30 round magazines for it. Sure I could swap the 6.8 upper on it, but then I am limited by law to 10 round magazines, same with the TOBR... My M-1A, as currently built, is way too heavy to lug up and down mountains at my age..... Not to mention I have to leave off my pistol grip or it becomes illegal..... Stinkin' Cali!!!!!!!
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No longer an issue; PredatAR 7.62...
7/19/2014 4:17:43 AM EDT
[#21]
I would totally rock 7.62 if it weren't for 30 lbs of body armor, 40 lbs of explosives, 35 labs of robot, 8 labs of rope and caribinners. Not to mention the standard combat load of ammo. The weight is the only reason the MK 39 Mod 0 was for mounted ops only on my team.
7/19/2014 5:00:23 AM EDT
[#22]
Sticking with the question in the OP.
I think 6.8 would make a better round for the guys in uniform. It's hard to beat a bigger bullet. Honestly this argument is just like 9mm VS 45 ACP. There are to many unknown factors that change as the fight progresses. If you have the ability to pick 6.8 when you load out to roll out them you are prob with a badass group of guys. Before I would take a lesser known round into a war I would have one hell of a convo with my team mates. If they stick with 5.56 and you have 6.8 what happens if you run out of ammo? What happens if the gun or ammo doesn't work? All click no bang? Major weapon malfunction?

But if you have the option to take 6.8 into battle you have prob already run the shit out of it and know what it can do. Even if the DM is the one carring the round. It could change the playing field a lot.
7/19/2014 5:01:58 AM EDT
[#23]
What pisses me of about 223-5.56 is we can use it to keep our country free but in some states we can't use it to kill a deer. People are ok but animals are not

The state I am referring to is VA.
7/19/2014 6:24:06 AM EDT
[#24]
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I would totally rock 7.62 if it weren't for 30 lbs of body armor, 40 lbs of explosives, 35 labs of robot, 8 labs of rope and caribinners. Not to mention the standard combat load of ammo. The weight is the only reason the MK 39 Mod 0 was for mounted ops only on my team.
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Assuming it isn't a requirement,  maybe carry 38lbs of explosives instead of 40? Less rope, less carabiners? Maybe get some lighter boots or lighter tools?

I'm not saying that you HAVE to go .308, I'm just saying the added weight isn't as much as you think it is, and if you make a few tweaks to the gear you are carrying and eliminate unnecessary weight, you wouldn't notice the difference.

The OBR isn't even as heavy as the M14 EBR, yet some dismounted patrols still use that on top of their combat load.

I'm not trying to give you a hard time, just trying to get you to look at it from a different angle.

When you consider all the gear you are already carrying, are you really going to feel 2-6 lbs of extra weapon?  If you are, you aren't eating enough wheaties
7/19/2014 7:03:11 AM EDT
[#25]
Quoted:
I would totally rock 7.62 if it weren't for 30 lbs of body armor, 40 lbs of explosives, 35 labs of robot, 8 labs of rope and caribinners. Not to mention the standard combat load of ammo. The weight is the only reason the MK 39 Mod 0 was for mounted ops only on my team.
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If you are the EOD tech for the team, then why are you thinking about carrying a sniper rifle?  The same way the Medic shouldn't be carrying the 240 or the Commo Guy shouldn't have the 60mm mortar.  Those specialty weapon systems are just that, the same way EOD gear is.  Just sayin'.
7/19/2014 7:40:34 AM EDT
[#26]
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If you are the EOD tech for the team, then why are you thinking about carrying a sniper rifle?  The same way the Medic shouldn't be carrying the 240 or the Commo Guy shouldn't have the 60mm mortar.  Those specialty weapon systems are just that, the same way EOD gear is.  Just sayin'.
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Quoted:
Quoted:
I would totally rock 7.62 if it weren't for 30 lbs of body armor, 40 lbs of explosives, 35 labs of robot, 8 labs of rope and caribinners. Not to mention the standard combat load of ammo. The weight is the only reason the MK 39 Mod 0 was for mounted ops only on my team.


If you are the EOD tech for the team, then why are you thinking about carrying a sniper rifle?  The same way the Medic shouldn't be carrying the 240 or the Commo Guy shouldn't have the 60mm mortar.  Those specialty weapon systems are just that, the same way EOD gear is.  Just sayin'.

An accurate 7.62 with decent optic is good for ordnance disposal. Put holes into the bomb so-to-speak.
7/19/2014 6:39:42 PM EDT
[#27]
For us it is not a Sniper Rifle it is an explosive tool. The precision allows us to do what we call SMUD, Small MUnitions Disruption.  A render safe procedure from a safe distance. It just happens to be a nice plus that you can reach out and touch people to. The key is through our training we know what to shoot to not cause something to have a high order detonation.
7/19/2014 6:46:07 PM EDT
[#28]
The reason for the bang is in the event of a large cache, the rope and beepers and other tools are all necessary for rendering devices safe in the safest manner. Believe me if I can reduce weight I do, the problem is as EOD you have to be prepared for worst case or you'll find yourself in it then everyone has a bad day.