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Thread: CMMG .22lr conversion - a brief review

  1. #101
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    Quote Originally Posted by lindertw View Post
    My replacement chamber adapter from CMMG has cracked. No pics, but it looks just like the original that went south on me. I put ~100 rounds down range tonight, for a total of ~200 since receiving the replacement adapter. I'm calling Brownells on Monday to discuss return of the item, and I'll email CMMG to let them know that their part failed again.
    That really sucks. Please let us know what happens. You too, Dan. Mine is still working fine.

  2. #102
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    Quote Originally Posted by austin12gauge View Post
    That really sucks. Please let us know what happens. You too, Dan. Mine is still working fine.
    Contacted CMMG to let them know my replacement cracked, and provided ammo info to include lot # (which they requested). Spoke with Brownells and they said there shouldn't be any problems returning it for a refund. Should Brownells refuse the return (as it's well used and now 2x broken chamber adapters) CMMG said they would accept the return.

    Guess I'll do another 10/22 build to get my .22lr fix...
    Last edited by lindertw; 01-08-09 at 19:54.

  3. #103
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    Quote Originally Posted by lindertw View Post
    Guess I'll do another 10/22 build to get my .22lr fix...
    It is a lot more money, but you could go with a dedicated upper (Spike's or TacSol) as no chamber adaper is required.

  4. #104
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    Put another 250 rounds thru my CMMG today and still no failures to feed, chamber or extract.

    I finally had 1 failure to fire with the Federal #750 but it wasn't the CMMG's fault. The round wouldn't fire in my Buck Mark either. That is only 1 FTFire out of nearly 1,650 rounds (3 bricks) of the Federal. I was getting 3 to 5 per 100 with the Remington Goldens.
    Last edited by austinN4; 01-14-09 at 11:40. Reason: spelling

  5. #105
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    Received replacement unit yesterday; one week after sending original back to CMMG. May not get to shoot it till this weekend. No explanation letter about original unit or anything else. Just the part in the box.

    Also emailed Tech Support Monday asking if they knew what the problem was with the first one and have not yet received answer.

    Sure hope it works!
    "The democracy will cease to exist when you take away from those who are willing to work and give to those who would not. " _ Thomas Jefferson

  6. #106
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    Can anyone tell me is the CMMG .22cal conversion the Same as Spikes Tactical .22cal converson or is CMMG made to be stronger?

  7. #107
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    Grant, I can't find CMMG .22 conversion kit on your web site?

  8. #108
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    Quote Originally Posted by Lawdog-1 View Post
    Can anyone tell me is the CMMG .22cal conversion the Same as Spikes Tactical .22cal converson or is CMMG made to be stronger?
    Spikes is a little different, nickel plated, o-ring on the chamber adapter, maybe some other little things as well. The CMMG looks to be a direct copy of the original Ceiner unit. I doubt the CMMG is made stronger than the others.

  9. #109
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    Got the replacement unit in couple days back. Got a brief chance to fire it today. Two mags, 20 rds ea., only one FTE (stovepipe...sideways).

    This is a big improvement. Hope to try running the rest of that 550-round box through it this weekend.

    CMMG said the unit I sent back ran fine on the same Fed BulkPak I use.

    Who knows???
    "The democracy will cease to exist when you take away from those who are willing to work and give to those who would not. " _ Thomas Jefferson

  10. #110
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    Shot mine today and it ran through 380 rounds like fecal matter through a goose....except for a light primer strike.

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