Simo GBB tries the Tokyo Marui P90 that is equipped with the Bursthead Shell Mag Kit... "This time, I'll be shooting a Marui P90 equipped with a Bursthead Shell Mag Kit.  I borrowed it from Bursthead whom I met at the venue. The customization was quite innovative, so I snapped some quick photos, haha!  It might look a bit awkward without sights or HOP adjustment...