To take advantage of the zip files I posted here yesterday for MAW you can use:
<Effect Type="Track" EffectName="GR_OKL_Revi3d-_gunsight" PosX="0.045" PosZ="-0.15" PosY="0.6825" Pitch="90" MinVel="-999999" MaxVel="999999"/>
for Bf109E-3_Hung, Bf109E-3_Yugo 1, Bf109E-3_Yugo 2
and you can use:
<Effect Type="Track" EffectName="GR_OKL_Revic12d-_gunsight" PosX="0.045" PosZ="-0.15" PosY="0.6825" Pitch="90" MinVel="-999999" MaxVel="999999"/>
for DR_Bf109E-4_2.LG02, DR_Bf109E-4_3.Bulg, DR_Bf109E-4_3.JG27, DR_Bf109E-4N_T_1.JG27, DR_Bf109E-4N_T_2.JG27, DR_Bf109E-4T_1.JG27, DR_Bf109E-4T_2.JG27, DR_Bf109E-7_3.JG77, DR_Bf109E-7_3.JG77_2, DR_Bf109E-7T_1.JG27, DR_Bf109E-7T_1.JG27_2, DR_Bf109E-7T_2.JG27, DR_Bf109E-7T_7.JG26, JW_Bf109F2T_0177_42, JW_Bf109F2T_0327_42, JW_Bf109F2T_0527_41, JW_Bf109F4_0377_42, JW_Bf109F4_1053_42, JW_Bf109F4-1053_42, JW_Bf109F4T_0127_41, JW_Bf109F4T_0327_42, JW_Bf109F4T_0627_42