Home CMMG how to break in AR15 LW-15 lower CMMG 5.56 Carbine upper- 247...

how to break in AR15 LW-15 lower CMMG 5.56 Carbine upper- 247 OutDoor Addiction

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Frontier Armory Model LW-15 Lightweight Polymer AR-15 Lower with a CMMG Carbine Upper 5.56 DI doing a Break in burst of rounds. Video taken by IPhone 4s

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10 COMMENTS

  1. Yepper……gotta do the couple rounds…swab barrel, couple rounds swab barrel a few times. Then a few 5-10 rounds and swab the barrel. This will properly burnish the barrel lining. Then have fun!

  2. Very nice! Only 6 lbs? I want a NFA lower, bushmaster polymer upper. Some claim it to be 5.25 lbs. Cmmg wasp finish is tight. I got the gas piston with 8,000 rounds ( 1 weak extractor) at 7000. Replaced the little plastic thingy and rock n roll

  3. M4-LE Upper
    Forged A3 receiver with M4 feed ramps.
    The barrel is our 4140 steel, M4 profile, 5.56mm chamber and bore, 1:9 twist ratio and 1/2×28 threaded barrel and WASP surface treatment.

    14 inch is cool and all, but that's really it, looks cool hehe, functions the same.

    the lower was complete, the whole mind set on this AR was budget, so i did not swap anything.

    i did add a couple things, which are magpul moe grip and ctr stock. this ar weights right at 6lb's or less right now.

  4. also did u build everything stripped or buy the lower complete and the upper complete and then just push in the pins?

    sorry many questions… im jus very curious in wat my fellow hmong likes on their ARs…a im also planning to buy a conversion upper for 6.08 rounds and 22 round upper complete for big game and small game hunting… maybe a 9mm pistol conversion too.

  5. haha koj rab phom haib kawg. but please tell me the specs (example the internals barrel and all that) and the cost? that looks like a 16 in carbine rite? it looks way more awesome with a midlength 16 barrel. well its jus my preference. i think that the 14 inch barrels carbine look way better than the 16 inch barrel carbine length. well cool gun. heard plum crazy was good for its polymer body n price too. nice gun.

    im getting mine ina few months. mine way more money thoo. all together is 1700$.

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