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Expert Answer
These are 9mm barrels, standard 223/556 muzzle devices typically do not have a large enough bore to accomodate a 9mm, which could lead to a catastrophic failure. You can use a 223/556 muzzle device if you bore it large enough to accommodate a 9mm round, or you can use a 9mm muzzle device with the appropriate threading, like the following:
https://www.opticsplanet.com/silencerco-hybrid-asr-muzzle-device-9mm.html