I did see the comment about:
[gun class, magazine, [attachments]]

But where are we supposed to place this array?

I would love to have the guns in this order always:
[MMG_01_hex_ARCO_LP_F, 150Rnd_93x64_Mag, [optic_Arco]]
[MMG_02_camo_F, 130Rnd_338_Mag, []]
[srifle_DMR_05_ACO_F, 10Rnd_93x64_DMR_05_Mag, [optic_ACO_grn]]
[arifle_MX_ACO_F, 30Rnd_65x39_caseless_mag, [optic_Aco]]
[srifle_GM6_camo_F, 5Rnd_127x108_APDS_Mag, []]
[arifle_Katiba_C_ACO_F, 30Rnd_65x39_caseless_mag, [optic_ACO_grn]]
[srifle_LRR_camo_F, 7Rnd_408_Mag, []]
[SMG_01_Holo_F, 30Rnd_45ACP_Mag_SMG_01, [optic_Holosight_smg]]
[srifle_DMR_01_F, 10Rnd_762x54_Mag, []]
[arifle_Mk20_Holo_F, 30Rnd_556x45_Stanag, [optic_Holosight]]
[srifle_DMR_02_ACO_F, 10Rnd_338_Mag, [optic_ACO_grn]]
[arifle_TRG20_Holo_F, 30Rnd_556x45_Stanag, [optic_Holosight]]
[srifle_DMR_03_ACO_F, 20Rnd_762x51_Mag, [optic_ACO_grn]]
[SMG_02_ACO_F, 30Rnd_9x21_Mag, [optic_ACO_grn_smg]]
[srifle_DMR_04_ACO_F, 10Rnd_127x54_Mag, [optic_ACO_grn]]
[hgun_PDW2000_Holo_F, 30Rnd_9x21_Mag, [optic_Holosight_smg]]
[hgun_Rook40_F, 16Rnd_9x21_Mag, []]
[hgun_Pistol_heavy_01_F, 11Rnd_45ACP_Mag, []]
[hgun_ACPC2_F, 9Rnd_45ACP_Mag, []]
[hgun_Pistol_heavy_02_F, 6Rnd_45ACP_Cylinder, []]