SureFire High-Capacity Magazines, available in either 60-round or 100-round

Only if you run cheap plastic handguards. The milspec thermoset handguards don't melt.

Hi Claven,

That's true, but the little green plastic things on the C7A2 that are sometimes on the A2 front rails melt very quickly. I just take them off now, I don't even know why they were put on there to begin with. A real pain once they are all melted to get off.

-Steve
 
I'm surprised no one thought of this sooner.

They did, the Russian atleast try for their 5.45 AK mags, it was utter crap according to russian forces, Spetnaz don't like it either for the jams. Now it's parts of AK-200

I don't understand the need for 100 rnd mag, it's going to be hard to go prone. I would've prefer 50 rounder or 60 rounder. 50 for easier to shoot in prone, 60 for preexisting mag pouch size.
 
looks like a good way to run out of ammo pretty quick.

Contact Right. Brrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrt. Out of ammo:redface:
 
I was onto top of this Back in January.
Surprised it took this long to make it too this forum.

You will never see any on a shelf. These were made to specifically for Million Dollar Government contracts.
They are not gonna ship 10 to a store when they have an order of 10,000 or 50,0000 to do.
They list for over $120 a pop, so if someone does snag a few. They will show up on gunbroker for $300 or so.

According to the Surefire website, the magazines will be available at select Surefire dealers in March, 2011 (so now), and available for purchase off their website April 2011.
 
Yeah, but how do the rounds in the 1st and 4th stack in the main body get advanced then? It seems like it needs a wide follower that narrows down to a double stack inside the mag well area. I really want to see how they did it.

Edit: I've read that they use a nested follower design. So there are really two followers. One stops where the 4 stack ends and the other would continue traveling upward.
 
SureFire High Capacity Magazine Specifications:

SureFire MAG5-60 HCM Specs:
Caliber: 5.56 NATO/.223 Remington
Height: 8.7″ / 22.1 cm
Width: 1.66″ / 4.2 cm
Weight-Empty: 6.4 ounces / 181 grams
Weight-Fully Loaded: 2.02 lbs / 920 grams
Box Material: 6000 Series Aluminum
Follower Material: Nylon
Construction: Spot Welded
Finish: MIL-A-8625 Type III, Class I
Color: Grey
Estimated MSRP: $129

SureFire MAG5-100 HCM Specs:
Caliber: 5.56 NATO/.223 Remington
Height: 12.2″ / 31 cm
Width: 1.66″ / 4.2 cm
Weight-Empty: 9.6 ounces / 272 grams
Weight-Fully Loaded: 3.3 lbs / 1.5 kg
Box Material: 6000 Series Aluminum
Follower Material: Nylon
Construction: Spot Welded
Finish: MIL-A-8625 Type III, Class I
Color: Grey
Estimated MSRP: $179

Standard MILSPEC USGI 30-Round Magazine Specs (data provided by SureFire):
Caliber: 5.56 NATO/.223 Remington
Height: 7.1”
Width: 0.88”
Weight-Empty: 3.9 ounces
Weight-Fully Loaded: 1.06lb/16.9 oz

My pmags are 7.5in/19cm tall, so the 60 round would be about equivalent to a pmag with a ranger plate on the bottom. I'd think you could fire that prone. The 100, no way.
 
There are a few alternative prone positions you can use when a magazine gets in the way, like canting the firearm into a partial-SBU position.
 
There are a few alternative prone positions you can use when a magazine gets in the way, like canting the firearm into a partial-SBU position.

However, this will change your shouldering, and means retraining. Additionally It's not feasible to shoot side ways when every other stance is upright.


I still hope C-Mag (patent expired) can continue as is. (It's like comparing RPK using 40rounder box vs 75 drum
 
However, this will change your shouldering, and means retraining. Additionally It's not feasible to shoot side ways when every other stance is upright.


I still hope C-Mag (patent expired) can continue as is. (It's like comparing RPK using 40rounder box vs 75 drum

Any change will require minor retraining. A 30 degree cant to the gun is hardly back breaking. It's easier than teaching a proper reload on a C9.
 
Any change will require minor retraining. A 30 degree cant to the gun is hardly back breaking. It's easier than teaching a proper reload on a C9.

If it is meant to replace the C9/249... How about the trajectory at 800m from a 30 degree cant? Or feeding reliability with an open bolt gun?

Interesting design, but I don't think it will replace link or 30rd mags altogether. Just another somewhat useful tool in the toolbox.
 
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Muhahha, I just thought, the 60 rounder would be perfect for the build I am doing right now on my Rem700, where the plan is to modify AR magazines to fit only in the Remmy 700, so they do no have to be pinned to 30, or in this case 60.

I would love to see some of those magazines make it to Canada though...

(Build will look somthing like this, but with the .223 Remington 700 that is in the mail to me, not the .338 Lapua that I had at the time for the photo.)

DSC00548.jpg
 
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