сперва пробуй вот так 
добавить в конфиг ствола ( автозахват)

scope_dynamic_zoom           = on ; регулируемый зум
scope_alive_detector            = scope_detector ; автозахват цели
Если не получается, то пробуй так
[wpn_ak74_pacific]:identity_immunities,weapon_probability,default_weapon_params,mod_ak74_pacific,mod_ak74_pacific_sounds,mod_rifle_particles,cost_wpn_ak74_pacific
GroupControlSection     = spawn_group
$spawn                  = "weapons\ak-74_pacific"
$npc                    = on
$prefetch               = 8
scheduled               = off
cform                   = skeleton
class                   = WP_AK74
ef_main_weapon_type     = 2
ef_weapon_type          = 8
default_to_ruck         = false
sprint_allowed          = true
weapon_class            = assault_rifle
;-----------[Главные параметры]----------------;
inv_weight              = 2.9
inv_name                = st_wpn_ak74mu2
inv_name_short          = st_wpn_ak74mu2
description             = st_wpn_ak74mu2_descr
inv_grid_width          = 5
inv_grid_height         = 2
inv_grid_x              = 67
inv_grid_y              = 41
upgr_icon_x		= 300
upgr_icon_y		= 129
upgr_icon_width		= 258
upgr_icon_height   	= 138
ammo_elapsed            = 30
ammo_mag_size           = 300
fire_modes              = 1, -1
ammo_class              = ammo_5.45x39_fmj, ammo_5.45x39_ap, ammo_5.45x39_hm, ammo_5.45x39_hr, ammo_12x70_buck
grenade_class           = ammo_vog-25, ammo_box_10_vog
grenade_vel 			= 32 ;76
launch_speed            = 32
hand_dependence         = 1
single_handed           = 0
;-----------[Модернизация]----------------------;
upgrades                = up_gr_firstab_svd, up_gr_firstc_svd, up_gr_firstd_svd, up_gr_firste_svd, up_gr_firstf_svd, up_gr_seconab_svd, up_gr_seconc_svd, up_gr_second_svd, up_gr_thirdab_svd, up_gr_thirdcd_svd, up_gr_thirdef_svd, up_gr_fourtab_svd, up_gr_fourtcd_svd, up_gr_fourte_svd, up_gr_fourtf_svd, up_gr_change_components_svd
installed_upgrades      =
upgrade_scheme          = upgrade_scheme_svd

scope_status            = 1
silencer_status         = 1
grenade_launcher_status = 1
zoom_enabled            = true
zoom_rotate_time        = 0.25
scope_zoom_factor       = 6
scope_texture				= wpn_crosshair
scope_dynamic_zoom           = on ; регулируемый зум
scope_alive_detector            = scope_detector ; автозахват цели
silencer_name           = wpn_addon_silencer_5.45x39
silencer_x              = 218                
silencer_y              = 4
grenade_launcher_name   = wpn_addon_grenade_launcher
grenade_launcher_x      = 107
grenade_launcher_y      = 11
--scopes_sect		= scope_detector
;------------[Убойность]------------------------;
hit_power               = 1.37,1.37,1.37,1.37
hit_impulse             = 200
hit_type                = fire_wound
fire_distance           = 1275
bullet_speed            = 1800
rpm                     = 825
rpm_empty_click         = 200
silencer_hit_power      = 1.36,1.36,1.36,1.36
silencer_hit_impulse    = 180
silencer_fire_distance  = 1250
silencer_bullet_speed   = 1600
;------------[Дисперсия]------------------------;
fire_dispersion_base    = 0.17
control_inertion_factor = 1.2f
crosshair_inertion	= 6
cam_return		= 0
cam_relax_speed         = 10
cam_relax_speed_ai      = 360
cam_dispersion          = 0.01
cam_dispersion_inc      = 0.01
cam_dispersion_frac     = 0.01
cam_max_angle		= 0.01
cam_max_angle_horz      = 0.01
cam_step_angle_horz     = 0.01
zoom_cam_relax_speed    = 10
zoom_cam_relax_speed_ai = 360
zoom_cam_dispersion     = 0.01
zoom_cam_dispersion_inc = 0.01
zoom_cam_dispersion_frac= 0.01
zoom_cam_max_angle      = 0.01
zoom_cam_max_angle_horz = 0.01
zoom_cam_step_angle_horz= 0.01
PDM_disp_base 		= 0.5
PDM_disp_vel_factor 	= 1.5
PDM_disp_accel_factor 	= 1.5
PDM_disp_crouch	 	= 1.0
PDM_disp_crouch_no_acc 	= 1.0
fire_dispersion_condition_factor = 15
;--------[Держания ствола в руках НПС]----------;