CMMG .22LR AR Conversion Kit w/3 10rd Magazines

(8 reviews) Write a Review

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2.00 LBS
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Now: $189.98
Was: $229.98

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Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot 22LR. Ships with 3 25rd magazines. For best performance use a round style hammer as notched hammers can cause function issues and 36 grain plated nose bullets have proven to be the best choice for function.

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to You must be 18+ years old to shop and or purchase on our website and 21+ to purchase Ammunition/Firearms. Check local laws before ordering as you certify you are of legal age and satisfy all federal, state, and local legal/regulatory requirements. There are NO returns or exchanges on armor, firearms, ammunition, PPE equipment. Ammo ships UPS ground to the lower 48 states.
We reserve the right to fix any critical errors.

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Additional Information

Conversion Kit
.22 LR
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8 Reviews

  • 5

    CMMG .22 LR AR CONVERSION KIT on M&P15 Sport 2

    Posted by Anthony on 25th Apr 2022

    Worked smoothly after a break in period of a few rounds. Experienced issues with only the first 3 rounds, after that I fed it 150 rounds of CCI, Aguila, Blazer, Norma with zero hiccups. Remember to clean after every use as directed by CMMG to keep it running smoothly!

  • 5

    Awesome Conversion

    Posted by John on 30th Jun 2021

    This thing shoots bulk 22lr with less malfunctions than a Ruger 10/22.

  • 5


    Posted by David Arner on 4th May 2021

    Very KEWL!!!

  • 5

    Cmmg 22 conversion kit.

    Posted by Doug harper on 28th Apr 2021

    Just awesome....

  • 5

    CMMG 22LR

    Posted by Marco Girardello on 17th Mar 2021

    At first I was skeptical, after running over 1000 rounds I can say that I'm impressed. Not a single Jam. I LOVE it. BOTACH great Customer Services and fast shipment.

  • 5


    Posted by Stu3434 on 25th Jan 2021

    Love it! My Buddy loved it and purchased one.

  • 5

    Great kit

    Posted by Steve on 29th Sep 2020

    This drop in conversion is perfect for a cheaper ammo option and allows you to use your standard rifle. All magazines ran flawlessly and fit in normal mag carriers. The bolt cycled fine with all kinds of ammo.

  • 5

    Flawless Operation!

    Posted by Perry Fernandez on 23rd Jun 2018

    Works every time! I used Federal match bulk ammo as well as other brands. Be sure that you have rounded hammer for your AR-15 instead of the notched type. You can easily tell if you open your AR and look. I had to replace my hammer to the round one. If you shoot with the notched one, you'll experience many cycling problems.

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