I was surfing around and could find these tabs anywhere it's a cool bass beat really 
for beggenrs.Only is made up of 2 rifts so here ya go.

standred tunging:


rift 1 x4
G--------------------|
B------7-7--5-5------|
A----------------7-7-|
E--5-5---------------|


rift 2 x2
G-------7-7--5-5-------|
B------------------5-5-|
A--5-5-----------------|
E----------------------|


rift 1 x2
G--------------------|
B------7-7--5-5------|
A----------------7-7-|
E--5-5---------------|

rift 3 x1
G-------9-9--7-7------|
B-----------------9-9-|
A--7-7----------------|
E---------------------|

rift 2 x1
G-------7-7--5-5-------|
B------------------5-5-|
A--5-5-----------------|
E----------------------|

rift 1 x1
G--------------------------------------------|
B------7-7--5-5------------------------------|
A----------------7-7-------------------------|
E--5-5-------------- but at after A----7-7---| add.

G-------------------|
B-------------------|
A-----7-----7-----7-|
E--0-----0-----0----|

Repeat all rifts untail end and when the gong loops back to.

rift 1 x1
G--------------------|
B------7-7--5-5------|
A----------------7-7-|
E--5-5---------------| add this in stead.

G--------------|        Ya know a classic flat to ending make really drmatic.
B--------------|
A--------------|
E----6r---5r---|

Hope i helped some guys out B. Lewellen

RIP Cliff L. Burton