JG Mac-10 or ACM 8870?

[TacMaster]

A dilemma I have.

I can get the Mac-10 with 2 spare mags for £142, but I can get the shotty for £132 with extra mags and a barrel torch mount.

Any advice?

edit: souces

http://www.airsoftwo...h-silencer.html

http://www.surplusst...on-shotgun.html