The MBM (Medium Beltless Magnum) Family
Combining ‘medium’, ‘beltless’ and ‘magnum’ in one name sounds a little strange
but it’s the most precise description for the idea behind it. The COL(84mm or
3.31in) of all calibers makes it ideal for medium length rifle actions and
performance is right between the short and the long action magnums. Most of them
have a DAKOTA and a standard belted (hence ‘beltless’) counter part. As the
DAKOTA proprietary cartridges are with us for many years this concept is
anything but new. The whole family is based on the rather cheap Remington Ultra
Magnum case instead of the more expensive 404Jeffery - the parent case of
the
They cannot be used for rechambering standard magnums. These cartridges provide
performance of factory loaded belted or proprietary rimless magnums in a cheaper
and (nearly) rimless case!
Water capacity including neck:
309 MBM:
94grs.
8mm
MBM:
95grs.
338 MBM:
96grs.
375 MBM:
97grs.
416
MBM:
100grs.