Mag is a 5 round.
I don't know the dimensions of the Hawkins so I cannot say.
I would have to say though that I doubt it due to the way Manners attaches their MCS.
Has never had an action bolted in it.
$1,400 delivered
Remington 700 SA footprint
1- 5 round Accurate mag included
Barrel channel opened for either an unturned blank or carbon fiber barrel.
PM your questions
Please let me know what you have, or what you can make. I bought one years ago from a guy on here who put a cartridge head in the end. That was really cool. If you are still around shoot me a message.
Thanks,
Khavic