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Thread: The lightest lightweight AR lower receiver

  1. #1
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    Thumbs up The lightest lightweight AR lower receiver

    http://militarytimes.com/blogs/gears...ower-receiver/


    The MAG Tactical Systems GEN 4 lower receiver weighs in at 5.8 ounces. That’s more than 3 ounces (35%) lighter than an aluminum lower. MAG makes the part from their own nickel-based alloy and finishes it with a patented coating process.

    The coating process is an integral part of the part’s design, so if you plan on having your lower engraved as an SBR or with a custom logo, you’ll have to return the raceiver to MAG to be recoated. They told me the cost would be about $25 plus return shipping for the service.

    We saw black and tan samples that looked and felt any other commercial lower, aside from the dramatic weight difference and exaggerated trigger and hammer pin holes. MAG includes longer pins to accommodate the reinforced hammer and trigger pin holes.

    Details:

    -integrated trigger guard
    -reinforced trigger and hammer pin holes
    -reinforced pivot pin points
    -Available mid-November from Brownells, through ADS and directly from MAG Tactical Systems
    -MSRP $160

  2. #2
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    Sounds cool. So I'm guessing these are magnesium alloy. If you scratch it can you just hit it with some Krylon or do you need to send it in for recoating?

  3. #3
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    Because the forged lower is just SO HEAVY!!!

    This stupid thing will sell like a MOFO too.
    "You people have too much time on your hands." - scottryan

  4. #4
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    Gym membership maybe???

    I don't see how people bitch about carrying an AR when there are guys having to carry M249s around the mountains over in Afghanistan.

    I don't know if I'm willing to possibly compromise the integrity of my rifle for 3oz. I think there are a lot of other things that you could chop off your rifle if weight is that big of a consideration to you.

  5. #5
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    Quote Originally Posted by midSCarolina View Post
    ...I don't know if I'm willing to possibly compromise the integrity of my rifle for 3oz.
    you do realize the lower receives roughly 0% of any force whatsoever right?.... I mean you could literally make it from Delrin or a Rapid Prototype media and it would last just as long as a standard lower... they play no structural role whatsoever besides simply holding onto the upper.... yeah you can say w/e you'd like about dropping it or any other random impact force, but the fact of the matter is, simply firing the M4, provides absolutely 0 force on the lower.... you could possibly crack one if made of Delrin or Nylon or any other Plastic type material by dry firing it while separated from the upper... but that is the extent of the damaging force it would be subjected to

    this is why I cannot fathom why people on here continuously bitch about how Billet lowers are crap and sacrifice structural integrity over forged and blah blah blah.... when was the last time anyone on here has ever in their life witnessed first hand a cracked or damaged lower from regular use, Forged, Billet, or any other material for that matter....

    I mean FFS they make wooden lowers.....

    http://www.weaponeer.net/forum/forum...035&PN=1&TPN=1
    Last edited by Reagans Rascals; 09-27-12 at 09:37.
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  6. #6
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    Quote Originally Posted by Reagans Rascals View Post
    you do realize the lower receives roughly 0% of any force whatsoever right?.... I mean you could literally make it from Delrin or a Rapid Prototype media and it would last just as long as a standard lower... they play no structural role whatsoever besides simply holding onto the upper.... yeah you can say w/e you'd like about dropping it or any other random impact force, but the fact of the matter is, simply firing the M4, provides absolutely 0 force on the lower.... you could possibly crack one if made of Delrin or Nylon or any other Plastic type material by dry firing it while separated from the upper... but that is the extent of the damaging force it would be subjected to

    this is why I cannot fathom why people on here continuously bitch about how Billet lowers are crap and sacrifice structural integrity over forged and blah blah blah.... when was the last time anyone on here has ever in their life witnessed first hand a cracked or damaged lower from regular use, Forged, Billet, or any other material for that matter....

    I mean FFS they make wooden lowers.....

    http://www.weaponeer.net/forum/forum...035&PN=1&TPN=1
    Buffer tube area can beak on a lower. Especially if you apply downward force to the stock.
    "I never learned from a man who agreed with me." Robert A. Heinlein

  7. #7
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    Isn't there also stress in the hammer and trigger pin holes or is this only an issue with F/A and pistol caliber guns??

  8. #8
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    I say buy it and try it. Worst case scenario you throw it in a dumpster and eat the $160.

  9. #9
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    Quote Originally Posted by Reagans Rascals View Post
    ...you do realize the lower receives roughly 0% of any force whatsoever right?...
    This isn't entirely true. If it was, the Plum Crazy polymer lowers would not be breaking. Another reason you can't simply carve AR lowers out of some kind of plastic is because the threads for the barrel nut and receiver extension would not be very durable
    INSIDE PLAN OF BOX
    1. ROAD-RUNNER LIFTS GLASS OF WATER- PULLING UP MATCH
    2. MATCH SCRATCHES ON MATCH-BOX
    3. MATCH LIGHTS FUSE TO TNT
    4. BOOM!
    5. HA-HA!!

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  10. #10
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    Quote Originally Posted by Reagans Rascals View Post
    you do realize the lower receives roughly 0% of any force whatsoever right?
    except for the buffer spring and buffer impact force during the rearward motion of the bolt carrier assy.

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