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Thread: 308 can on 223

  1. #1
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    308 can on 223

    shooting 223 supersonic is the 308 can quieter than a 223 can ?

  2. #2
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    Probably not since you are letting more oxygen into the baffles from the larger bore.

    Correct me if I'm wrong...
    Patrolman
    USMC 0621
    Brass Junkie

  3. #3
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    It will depend on the can.

    Usually, .308 cans are larger than 5.56 cans, so the larger bore size will be offset by the larger internal volume.

    If the .308 can is the same size as the 5.56 can, then the 5.56 can will be quieter than the .308.

  4. #4
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    to my ears, it sounds about the same.

    main advantage- you only have to buy one can

    main disadvantage(S) - most 762 cans are longer and heavier than 5.56 cans

  5. #5
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    We use the AAC 762-SDN-6 cans on our 5.56 carbines. Sounds the same as our AAC and Surefire 5.56 cans.
    ParadigmSRP.com

  6. #6
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    Quote Originally Posted by Iraq Ninja View Post
    We use the AAC 762-SDN-6 cans on our 5.56 carbines. Sounds the same as our AAC and Surefire 5.56 cans.
    I've been on the waiting list for 3 weeks for this can. Hope it's worth it...

  7. #7
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    I think the AAC 762SDN-6 is rated something like 4db louder than the M42K. Shooting them back to back I didnt notice anything but a different tone.

  8. #8
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    I use my 7.62 SDN on my ar, you can't tell much difference.

    I was lucky, I got to play with a friends and learn for myself. The versatility of the can is what was the deal maker.

  9. #9
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    Quote Originally Posted by JasonM View Post
    to my ears, it sounds about the same.

    main advantage- you only have to buy one can

    main disadvantage(S) - most 762 cans are longer and heavier than 5.56 cans
    How far off is the zero with the 7.62 can on the 5.56 rifle?

  10. #10
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    Quote Originally Posted by ccrn_csc View Post
    How far off is the zero with the 7.62 can on the 5.56 rifle?
    Only way to find out is try it- they're all different. Mine only shifts about 1 " at 100 yds on a couple ARs, one doesn't shift at all, and haven't really tested it on the other 2. I'm sure the fact it's a 30 cal can instead of 556 can makes no difference at all other than maybe weight.

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