I know some one here will help!.

Kenny according to you, what is a standard barrel as opposed to a heavy barrel? To me the M2 is always fitted with the latter hence the denomination M2HB.
Aren't you mistaken with the more recent quick change barrel (QCB) with a "solid" handle (as opposed to the old style wire handle) which doesn't need the head space checking after each barrel change?
Olivier
Hi Olivier, I have a M2 barrel AM part, I don't know where I bought it from. Hoping to use it as the detail in Academy kit is not very good, but the kit barrel is a larger dia.
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