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  1. #1
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    Marine Corps set to replace SAW

    The Marine Corps will field its new, lightweight auto rifle this fall to five combat battalions preparing for war-zone deployments.

    Commandant Gen. James T. Conway gave Corps officials the green light in April to issue approximately 450 M27 Infantry Automatic Rifles, enough to replace every M249 squad automatic weapon in four infantry battalions and one light armored reconnaissance battalion.

    The limited fielding is a final test to find out if the Heckler & Koch-made weapon performs as well in an operational environment as it has in testing, said Charles Clark III, who oversees infantry weapons requirements at the Corps' Combat Development and Integration office at Quantico, Va.

    "The battlefield test will be a verification of what we have already established through extensive operational testing," Clark said. "We want to get a user assessment prior to full-rate production."

    Conway's decision comes despite his past concerns about replacing the M249 with a magazine-fed automatic rifle. His main worry is whether the M27's light weight and accuracy will be enough to make up for the loss of suppressive firepower Marine gunners will give up when they go into battle without the belt-fed M249.

    Program officials acknowledge that a 30-round magazine cannot produce the high volume of fire the M249 is capable of when loaded with a 200-round belt. The Corps is considering high-capacity magazines that can hold 50 or 100 rounds of 5.56mm ammo, but Marines that deploy with this first batch of IARs will carry only 30-round magazines.

    "The initial limited fielding will not include a high-capacity ammunition source, but that remains an option," Clark said, explaining that such magazines will have to undergo a separate round of testing.

    The M27, a variant of the H&K 416, weighs just 7.9 pounds, unloaded. By comparison, the M249 weighs 17 pounds, unloaded.

    Marines involved in operational testing at Twentynine Palms, Calif.; Fort McCoy, Wis.; and Camp Shelby, Miss., were "very comfortable with it because it's a lot like a M16A4 and it's far more maneuverable and portable" than the M249, Clark said. "The H&K gun has performed very well throughout operational testing."

    Marine officials selected the H&K weapon in October over two prototypes from Colt Defense LLC and one made by FN Herstal. (Colt makes the M4 and FN makes the M249.) The M27 uses a short-stroke gas piston, which proved more reliable than the M16/M4's direct gas system in an Army dust test in late 2007.

    The new IAR, which fires from the closed-bolt position, is most effective when employed as a point-target weapon, program officials maintain.

    "The accuracy has been a real standout," Clark said. "The IAR has demonstrated to be a far more accurate gun" than the M249, which fires from the open-bolt position.

    In the defensive role, the M27 used "far less" ammunition to drop the same number of targets compared to the M249, Clark said.

    Program officials maintain that the increased accuracy will compensate for the M27's slower, sustained rate of fire. Unlike the M249, the new IAR doesn't have a spare barrel that can be switched out to prevent overheating. Marine gunners will have to keep their sustained rate of fire at 65 rounds per minute compared to the M249's 85 rounds per minute.

    "It has a little bit lower sustained rate of fire, but it's far more accurate," Clark said.

    The Corps hopes to begin fielding the M27s in November so Marine units have "four to six months" to train with their new weapons.

    "We are not sending these guns straight to Afghanistan," Clark said. "The units that are participating will have the guns long before they go into theater."

    Each company in the three active infantry battalions and one reserve infantry battalion will receive 28 M27s, one for every SAW gunner and one extra to remain organic to the unit. These companies will also retain six M249s to give commanders more firepower if necessary, Clark said.

    The LAR battalion will receive 14 M27s per company and will not retain any M249s.

    The Corps plans on buying 4,476 M27s and reducing its number of M249s from 10,000 to approximately 8,000, Marine officials said.

    But that adjustment will not happen until Conway sees the results from the user assessment, Clark said, adding that it could be late next summer before the feedback is collected from theater.

    Marine Corps requirements officials hope that Conway will decide whether to take the weapon into full-rate production by late 2011.

    "We are confident that the gun we have tested is a good gun, but the final decision rests with the commandant of the Marine Corps," Clark said.

    Indecision may or may not be my problem.

  2. #2
    USMG Member tracker_usmc's Avatar
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    Feb 2010
    Lincoln, CA

    Re: Marine Corps set to replace SAW

    Only a 30 rounds mag?! Ummm this doesn't make sense to me, why are they going to go with a 30 rd mag and then after the fact start testing 50 and 100 rd mags. Shouldn't they have done this to begin with? Shit how many 30 rd mags do they expect you to carry for this weapon?!

  3. #3
    USMG Member MjolnirActual's Avatar
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    Feb 2010
    Pittsburgh, PA

    Re: Marine Corps set to replace SAW

    I did a little bit of running around on the net ... looks like all of the 416 goodies are available for the M27 so they have those massive double drum mags for it too.

    I'm betting that if they are serious about this thing replacing the 249 they will move to the next step of getting more firepower to the Marine on the ground. If not ... you know that those mags will start to circulate through open purchase just like Kevlar did early on when there was none.

    I'm a HUGE HK fan and am really happy to see our guys getting access to what I feel is one of the premier manufacturers in the world's equipment. I think once it's out there and the armorers in the companies get a hold of it and start making their recommendations coupled with what the actual operators are saying I think that the M27 can really bring something great to our guys.

    My question is, wasn't a heavy barrel version of the SCAR suppose to be fulfilling this role? What happened to that I wonder?

  4. #4

    Re: Marine Corps set to replace SAW

    I've been waiting to see which rifle the Pentagon would fund. The 416 is built around a model that Delta Force helped to develop. It is basically an improved version of the M4. This has been up in the air since the summer of 2007. The main difference is a new gas operating system, which will fire cleaner and be more dependable then the old Stoner designs. Also of note, the military is buying the upper receivers for the 416 to attach to current M4 models. I've been eying a SCAR, ACR, XCR etc. for awhile now...maybe I'll wait for a civilian version of this rifle?

  5. #5
    Join Date
    Jun 2010
    Absecon, NJ

    Re: Marine Corps set to replace SAW

    This is gonna be a huge difference with our guys who have been using the 249 for years. The thing I would like to see is how their performance improves without the use of the 249. I understand that the 249 is 200rnd belt fed but my concern is if you lower the ammount of ammo from 200 to a 100 round mag the difference could be substancial to the fact that there will be many pros and cons that we will hear. Some of those i think are like supressive fire and reload. I think its good cuz reload will be quicker if your using a 100round mag rather then a drum but w/e. I just wanna see what results we will see in the near future.

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