If your AR is over gassed with a rifle buffer, it really is over gassed.
BUFFER WEIGHTS-
Carbine: 3 ozs, three steel weights
H: 3.8 ozs, one tungsten, two steel weights
H2: 4.7 ozs, two tungsten, one steel weights
Rifle: 5 ozs, five steel weights, one steel spacer
H3: 5.6 ozs, 3 tungsten weights
As ldlfh7 is asking about an A2 stock, I doubt he's looking for a shorter alternative.
The LOP of the MagPul rifle stock is made to fall between the A1 & A2. MagPul makes a thicker butt pad if you want a longer LOP.
The MagPul Fixed Length carbine stock is shorter than the rifle stock and was too short for me. I had to install the thicker butt pad and make a spacer to get the LOP to where I wanted it