Lego Gun Semi Auto Hand Gun With Magazines

i have this lego gun that i made today that uses like 4 technic pieces, i was wondering should i make an instructable or would i be wasting my time? images 1-5 in order
8 or 1: gun loaded ready to fire.
9 or 2: gun from back view.
10 or 3: 1 magazine.
11 or 4: magazine slot/handle.
12 or 5: pin that holds the magazine in place.
also the bit off the front of the gun is not needed...