Hey toxicated, i checked your script and there's one or two funny items you forgot to add, here, i've added them real quick ( pipebomb and handgrenade ).
_crate = _this select 0;
// Rifles
_crate addWeaponCargo ["M14_EP1", 100];
_crate addWeaponCargo ["Remington870_lamp", 100];
_crate addWeaponCargo ["M4A3_CCO_EP1", 100];
_crate addWeaponCargo ["M4A1_AIM_SD_camo", 100];
_crate addWeaponCargo ["BAF_L85A2_RIS_CWS", 100];
_crate addWeaponCargo ["BAF_AS50_scoped", 100];
_crate addWeaponCargo ["Winchester1866", 100];
_crate addWeaponCargo ["LeeEnfield", 100];
_crate addWeaponCargo ["revolver_EP1", 100];
_crate addWeaponCargo ["FN_FAL", 100];
_crate addWeaponCargo ["FN_FAL_ANPVS4", 100];
_crate addWeaponCargo ["m107", 100];
_crate addWeaponCargo ["Mk_48_DZ", 100];
_crate addWeaponCargo ["M249_DZ", 100];
_crate addWeaponCargo ["DMR", 100];
_crate addWeaponCargo ["M16A2", 100];
_crate addWeaponCargo ["M16A2GL", 100];
_crate addWeaponCargo ["AK_47_M", 100];
_crate addWeaponCargo ["AK_74", 100];
_crate addWeaponCargo ["M4A1_Aim", 100];
_crate addWeaponCargo ["AKS_74_kobra", 100];
_crate addWeaponCargo ["AKS_74_U", 100];
_crate addWeaponCargo ["AK_47_M", 100];
_crate addWeaponCargo ["M24", 100];
_crate addWeaponCargo ["M1014", 100];
_crate addWeaponCargo ["M4A1", 100];
_crate addWeaponCargo ["MP5SD", 100];
_crate addWeaponCargo ["MP5A5", 100];
_crate addWeaponCargo ["huntingrifle", 100];
// Sidearm
_crate addWeaponCargo ["glock17_EP1", 100];
_crate addWeaponCargo ["M9", 100];
_crate addWeaponCargo ["M9SD", 100];
_crate addWeaponCargo ["Colt1911", 100];
_crate addWeaponCargo ["UZI_EP1", 100];
/////////////////////////////////////////////////////
// AMMO
/////////////////////////////////////////////////////
// Rifle ammo
_crate addMagazineCargo ["30Rnd_556x45_Stanag", 100];
_crate addMagazineCargo ["30Rnd_556x45_StanagSD", 100];
_crate addMagazineCargo ["20Rnd_762x51_DMR", 100];
_crate addMagazineCargo ["30Rnd_762x39_AK47", 100];
_crate addMagazineCargo ["5Rnd_762x51_M24", 100];
_crate addMagazineCargo ["10Rnd_127x99_m107", 100];
_crate addMagazineCargo ["8Rnd_B_Beneli_74Slug", 100];
_crate addMagazineCargo ["1Rnd_HE_M203", 100];
_crate addMagazineCargo ["FlareWhite_M203", 100];
_crate addMagazineCargo ["FlareGreen_M203", 100];
_crate addMagazineCargo ["1Rnd_Smoke_M203", 100];
_crate addMagazineCargo ["200Rnd_556x45_M249", 100];
_crate addMagazineCargo ["8Rnd_B_Beneli_Pellets", 100];
_crate addMagazineCargo ["30Rnd_9x19_MP5", 100];
_crate addMagazineCargo ["30Rnd_9x19_MP5SD", 100];
_crate addMagazineCargo ["100Rnd_762x51_M240", 100];
_crate addMagazineCargo ["15Rnd_W1866_Slug", 100];
_crate addMagazineCargo ["5x_22_LR_17_HMR", 100];
_crate addMagazineCargo ["10x_303", 100];
// Sidearm ammo
_crate addMagazineCargo ["15Rnd_9x19_M9", 100];
_crate addMagazineCargo ["15Rnd_9x19_M9SD", 100];
_crate addMagazineCargo ["7Rnd_45ACP_1911", 100];
_crate addMagazineCargo ["17Rnd_9x19_glock17", 100];
_crate addMagazineCargo ["8Rnd_9x18_Makarov", 100];
_crate addMagazineCargo ["6Rnd_45ACP", 100];
_crate addMagazineCargo ["8Rnd_9x18_Makarov", 100];
// Items
_crate addWeaponCargo ["Binocular_Vector", 100];
_crate addWeaponCargo ["NVGoggles", 100];
_crate addWeaponCargo ["ItemGPS", 100];
_crate addWeaponCargo ["ItemMap", 100];
_crate addWeaponCargo ["ItemCompass", 100];
_crate addWeaponCargo ["ItemWatch", 100];
_crate addWeaponCargo ["ItemKnife", 100];
_crate addWeaponCargo ["ItemMatchbox", 100];
_crate addMagazineCargo ["PipeBomb", 100];
_crate addMagazineCargo ["HandGrenade_west", 100];
_crate addMagazineCargo ["ItemBandage", 100];
_crate addMagazineCargo ["ItemPainkiller", 100];
_crate addMagazineCargo ["ItemMorphine", 100];
_crate addMagazineCargo ["ItemEpinephrine", 100];
_crate addMagazineCargo ["ItemAntibiotic", 100];
_crate addMagazineCargo ["ItemBloodbag", 100];
_crate addMagazineCargo ["PartEngine", 100];
_crate addMagazineCargo ["PartGeneric", 100];
_crate addMagazineCargo ["PartVRotor", 100];
_crate addMagazineCargo ["ItemJerrycan", 100];
_crate addBackpackCargo ["DZ_ALICE_Pack_EP1", 2];
_crate addBackpackCargo ["DZ_Backpack_EP1", 2];