All weapon file names [for modders]

v_rif_galil.vvd
v_rif_galil.sw
v_rif_galil.mdl
v_rif_galil.dx90
v_rif_galil.dx80
w_rif_galil.vvd
w_rif_galil.sw
w_rif_galil.phy
w_rif_galil.mdl
w_rif_galil.dx90
w_rif_galil.dx80

v_shot_m3super90.dx80
v_shot_m3super90.dx90
v_shot_m3super90.mdl
v_shot_m3super90.sw
v_shot_m3super90.vvd
v_shot_m3super90.xbox
w_shot_m3super90.xbox
w_shot_m3super90.dx80
w_shot_m3super90.dx90
w_shot_m3super90.mdl
w_shot_m3super90.phy
w_shot_m3super90.sw
w_shot_m3super90.vvd

w_snip_g3sg1.xbox
w_snip_g3sg1.phy
w_snip_g3sg1.mdl
w_snip_g3sg1.dx90
w_snip_g3sg1.dx80
w_snip_g3sg1.sw
w_snip_g3sg1.vvd
v_snip_g3sg1.dx80
v_snip_g3sg1.sw
v_snip_g3sg1.xbox
v_snip_g3sg1.dx90
v_snip_g3sg1.mdl
v_snip_g3sg1.vvd

v_shot_xm1014.vvd
v_shot_xm1014.dx80
v_shot_xm1014.dx90
v_shot_xm1014.mdl
v_shot_xm1014.sw
w_shot_xm1014.vvd
w_shot_xm1014.sw
w_shot_xm1014.phy
w_shot_xm1014.mdl
w_shot_xm1014.dx90
w_shot_xm1014.dx80
w_shot_xm1014.xbox

v_c4.mdl
v_c4.dx80
v_c4.sw
v_c4.vvd
v_c4.xbox
v_c4.dx90
w_c4.vvd
w_c4.phy
w_c4.mdl
w_c4.dx90
w_c4.dx80
w_c4.sw

v_pist_elite.sw
v_pist_elite.dx90
v_pist_elite.dx80
v_pist_elite.xbox
v_pist_elite.vvd
v_pist_elite.mdl
w_pist_elite.dx90
w_pist_elite.dx80
w_pist_elite.sw
w_pist_elite.xbox
w_pist_elite_dropped.dx80
w_pist_elite_dropped.dx90
w_pist_elite_dropped.sw
w_pist_elite_dropped.xbox
w_pist_elite_single.dx80
w_pist_elite_single.dx90
w_pist_elite_single.sw
w_pist_elite_single.xbox
w_pist_elite.mdl
w_pist_elite.phy
w_pist_elite.vvd
w_pist_elite_dropped.mdl
w_pist_elite_dropped.phy
w_pist_elite_dropped.vvd
w_pist_elite_single.mdl
w_pist_elite_single.phy
w_pist_elite_single.vvd

v_pist_fiveseven.dx80
v_pist_fiveseven.dx90
v_pist_fiveseven.sw
v_pist_fiveseven.xbox
v_pist_fiveseven.vvd
v_pist_fiveseven.mdl
w_pist_fiveseven.vvd
w_pist_fiveseven.sw
w_pist_fiveseven.phy
w_pist_fiveseven.mdl

v_smg_ump45.vvd
v_smg_ump45.sw
v_smg_ump45.mdl
v_smg_ump45.dx90
v_smg_ump45.dx80
w_smg_ump45.phy
w_smg_ump45.mdl
w_smg_ump45.dx90
w_smg_ump45.vvd
w_smg_ump45.sw

v_eq_flashbang.vvd
v_eq_flashbang.sw
v_eq_flashbang.mdl
v_eq_flashbang.dx90
v_eq_flashbang.dx80
w_eq_flashbang.sw
w_eq_flashbang.dx90
w_eq_flashbang.dx80
w_eq_flashbang_thrown.sw
w_eq_flashbang_thrown.dx90
w_eq_flashbang_thrown.dx80
w_eq_flashbang.vvd
w_eq_flashbang.phy
w_eq_flashbang.mdl
w_eq_flashbang_thrown.vvd
w_eq_flashbang_thrown.phy
w_eq_flashbang_thrown.mdl

v_eq_fraggrenade.sw
v_eq_fraggrenade.dx90
v_eq_fraggrenade.dx80
v_eq_fraggrenade.vvd
v_eq_fraggrenade.mdl
w_eq_fraggrenade_thrown.sw
w_eq_fraggrenade.dx90
w_eq_fraggrenade.dx80
w_eq_fraggrenade_thrown.dx90
w_eq_fraggrenade_thrown.dx80
w_eq_fraggrenade.sw
w_eq_fraggrenade.mdl
w_eq_fraggrenade_thrown.phy
w_eq_fraggrenade_thrown.mdl
w_eq_fraggrenade.phy
w_eq_fraggrenade_thrown.vvd
w_eq_fraggrenade.vvd

v_pist_p228.xbox
v_pist_p228.sw
v_pist_p228.dx90
v_pist_p228.dx80
v_pist_p228.mdl
v_pist_p228.vvd
w_pist_p228.dx80
w_pist_p228.sw
w_pist_p228.dx90
w_pist_p228.mdl
w_pist_p228.phy
w_pist_p228.vvd

v_pist_usp.sw
v_pist_usp.dx90
v_pist_usp.dx80
v_pist_usp.vvd
v_pist_usp.mdl
w_pist_usp.dx90
w_pist_usp.dx80
w_pist_usp.sw
w_pist_usp.mdl
w_pist_usp.phy
w_pist_usp.vvd

If you wanna create the item use this guide here
http://steamcommunity.com/sharedfiles/filedetails/?id=897724255