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https://www.marinecorpstimes.c...chine-gun-hits-fleet Improved .50-caliber machine gun hits fleet By: Todd South, April 27, 2017 Marine units have received an upgraded .50-caliber machine gun that aims to make firing quicker, safer and less visible to the enemy. Marine Corps Systems Command officials in Quantico, Virginia, released information Thursday about the upgrades, which include a quick-change barrel, fixed headspace and timing, and a flash hider that reduces the machine gun’s signature by 95 percent at night. "The improved M2A1 makes Marines more lethal because they’re able to get rounds down range quicker,” said Maj. Harry Thompson, team lead for General Purpose Weapons at the command. The current machine gun requires Marines to manually set headspace and timing before firing and after the barrel heats from high fire volumes. Headspace is the distance between the face of the bolt and the base of the cartridge when chambered, while timing is the adjustment of the weapon so firing occurs when the recoiling parts are in the correct position. The quick-change barrel is now possible because the headspace and timing are now fixed, Thompson said. The current version requires Marines to screw in the barrel and set the headspace, he said. Now the improved version allows Marines to “pop” the receiver and lock it in place similar to the M240B machine gun. The combination reduces the time Marines are exposed to enemy fire and shortens the time the weapon is out of operation for barrel changes, he said. The third improvement is a flash hider at the end of the barrel that reduces muzzle flash to mask Marines’ position and limits whiteout conditions, helping the use of night vision while firing, Thompson said. In total, the command will field 3,600 M2A1s to Marines, said Kelly Sullivan, a General Purpose Weapons program analyst. Phase one concluded in March and included infantry and most infantry-like units and infantry reserves. Phase two will run through May. The Army began its upgrades to the .50-caliber machine gun in 2011. | ||
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| Freethinker |
Is this something the Marines are getting?  ► 6.4/93.6 | |||
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Old Air Cavalryman |
I believe you're on to something there.  "Also I heard the voice of the Lord saying who shall I send, and who will go for us? Then said I, here am I, send me." | |||
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| Member |
Heh, only reason the "Marines" are getting it is the Army already has it. “People have to really suffer before they can risk doing what they love.” –Chuck Palahnuik Be harder to kill: https://preparefit.ck.page | |||
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E tan e epi tas |
You mean the Navy is getting these right? Ima go hide for a while now. I keeed I keeeed. "Guns are tools. The only weapon ever created was man." | |||
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| Go ahead punk, make my day |
My Ass Rides In Navy Equipment <Popping smoke..... sssssssssss> | |||
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| Member |
Poor Marines, always a day late and a dollar short. We switched over to these in 2012. I guess it helps that the Army has a bigger budget | |||
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| Member |
I am glad they waited until we worked the bugs out of it. There were some early issues with bad head spacing and explosions. It was interestingly similar to when the non fixed model was headspaced incorrectly. what I found interesting is that fixed headspace models were available in 2009 and earlier and it took this long to get them. I wonder if the $300 (allegedly) headspace gauge is BII with the M2A1s. | |||
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Member |
I'd love to see a photo of the muzzle device; couldn't turn one up. ____________________ | |||
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| Member |
Army M2A1 pic. The muzzle device is visible in one of the photos. Possible vendor pictures. these guys claim that they make them. | |||
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