Verdun BAR-1918 Sounds for GTA San Andreas. Replace your default AK-47 / M-4 sounds. Plus weapon data for AK-47 and M4 :

$ AK47 INSTANT_HIT 140.0 170.0 355 -1 5 riflebad 30 30 0.78 -0.06 0.13 0 0 0.40 0.9 6 9 8 6 9 8 99 7001
$ AK47 INSTANT_HIT 110.0 100.0 355 -1 5 rifle 30 30 0.78 -0.06 0.13 1 999 0.50 1.0 6 8 6 6 8 6 99 7011
$ AK47 INSTANT_HIT 130.0 150.0 355 -1 5 rifle 30 70 0.78 -0.06 0.13 2 999 0.80 1.1 6 8 6 6 8 6 99 7031

$ M4 INSTANT_HIT 140.0 190.0 356 -1 5 riflebad 50 30 0.74 -0.04 0.13 0 0 0.45 0.9 6 9 8 6 9 8 99 7001
$ M4 INSTANT_HIT 110.0 100.0 356 -1 5 rifle 50 30 0.74 -0.04 0.13 1 50 0.65 1.0 6 8 6 6 8 6 99 7011
$ M4 INSTANT_HIT 130.0 150.0 356 -1 5 rifle 50 70 0.74 -0.04 0.13 2 999 0.80 1.1 6 8 6 6 8 6 99 7031

Enjoy :)