My YHM SS Mite can is user serviceable and works great. I contacted YHM and confirmed that it is rated for use with the higher pressure .17 cal rimfires as well. ( I know the it is still a supersonic round and you get the bullet snap. I pretty much did it just because I can) For a .30 cal can check out the AAC 762-SDN 6. Its only an inch longer than the M4-2000 and uses the same mount. So that enables you to use one can for both 7.62, 5.56, and anything in between. I'd have to agree with John M one the silencer co .45 cal supressor, top shelf stuff. | 
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