Guns have error signs.

[Damassta]

A few, not all, guns are displayed as error signs. They still do damage, but there are no textures or sound coming from them.

And my load order:

FalloutNV.esm=1

DeadMoney.esm=1

HonestHearts.esm=1

OldWorldBlues.esm=1

LonesomeRoad.esm=1

GunRunnersArsenal.esm=1

ClassicPack.esm=1

MercenaryPack.esm=1

TribalPack.esm=1

CaravanPack.esm=1

IWS-Core.esm=1

Advanced Recon Tech.esm=1

Caliber.esm=1

CaliberXhonesthearts.esm=0

CaliberXgunrunners.esm=0

OutfitsReColorNVMaster.esm=1

FOOK - New Vegas.esm=1

FOOK - New Vegas DLCs.esm=1

Interior Lighting Overhaul - Core.esm=1

JIP Selective-Fire.esm=1

AWorldOfPain(Preview).esm=1

MoMod.esm=1

More Perks.esm=1

More Perks for Companions.esm=1

More Traits.esm=1

NVEC Complete.esm=1

NVR-Strip.esm=1

ELECTRO-CITY - CompletedWorkorders.esm=1

ELECTRO-CITY - Highways and Byways.esm=1

Clean-Deluxe FNV.esm=1

oHUD.esm=1

New Vegas Redesigned II.esm=1

Interior Lighting Overhaul - L38PS.esm=1

Rearm.esp=1

Reload.esp=1

ReloadCalX3-1.esp=1

Mission Mojave - Ultimate Edition.esp=1

MMUE POP.esp=1

NVEC Complete FOOK Patch.esp=1

NVEC Complete Lings Patch.esp=0

DarNifiedUINV.esp=1

CASM.esp=1

Centered 3rd Person Camera - Unraised.esp=1

DynamiCamera.esp=1

FairyRadar.esp=1

Purge Cell Buffers.esp=1

The Mod Configuration Menu.esp=1

The Weapon Mod Menu.esp=1

NoBlurMenus2.esp=1

FNV_MoreVendorCaps.esp=1

AWOP-MoMod.esp=1

AWOPMonsterPatch.esp=1

NVR-NPCs.esp=1

NVR-ELECTRO-CTIY_Patch.esp=1

NVR-Version_10.esp=1

FOOK - New Vegas.esp=1

FOOK - New Vegas DLCs.esp=1

Rebalance.esp=1

RearmRebalance.esp=1

ReSort.esp=1

XFO - 9a - Enemies - AI revamp.esp=1

XFO - 9da - Enemies - NPC Healing - low.esp=0

XFO - 9db - Enemies - NPC Healing - med.esp=1

XFO - 9dc - Enemies - NPC Healing - high.esp=0

pnv.esp=1

AG Weapon Reload SFX.esp=1

Improved Sound FX.esp=1

Improved Sound FX - Weapon Sharing Fix.esp=1

Improved Sound FX - Merged Major DLCs.esp=1

NewVegasBounties.esp=1

NewVegasBountiesII.esp=1

More Perks Update.esp=1

More Perks for Companions Update.esp=1

More Traits Update.esp=1

BCL custom edition.esp=1

Better Sneak.esp=1

Bottles, cans, litter oh my!.esp=1

clean paper trash remover.esp=1

IWS-Core-Patrols.esp=1

IWS-Core-Guards.esp=1

IWS-Core-Civilians.esp=1

IWS-DM.esp=1

IWS-HH.esp=1

IWS-OWB.esp=1

IWS-LR.esp=1

Advanced Recon Gear.esp=1

Advanced Recon Tech.esp=1

AK_AR15WP.esp=1

Improved Throwing1.esp=1

Jmod Bullpup Pack.esp=1

M14.esp=1

AK_AR15WP_Tasha_shop.esp=1

B92FS.esp=1

M40a5.esp=1

1911.esp=1

FC-DesertEagle - CX.esp=1

L96.esp=1

Slam Weapon Pack FNV.esp=1

BlackWolf Backpack.esp=1

BlackWolf Backpack - Vendor Script Replenish.esp=1

NCR Rearmament v1.5.esp=1

PimpMyScarf.esp=1

PimpMyScarf_v2.esp=1

QS_Blackwolf_NV_Backpackmod.esp=1

Holster Gear.esp=1

JoOsArmory.esp=1

DragbodysArmorPackNoHH_NV.esp=1

CNR_Beta.esp=1

Sunglasses Shipment.esp=1

TGsArmorCollectionVegas.esp=1

UrgeWasterScarf.esp=1

NVR- Lore version.esp=1

New Vegas redesigned- Honest Hearts.esp=1

AWOPDeadMoney.esp=1

AWOP-LowNPCSWastelandOnly.esp=1

AWOPCaliberXAmmoPatch.esp=1

AWOPLowLootGeneral.esp=1

AWOPDeadMoneyVendorPatch.esp=1

Repair.esp=1

Repair v2.esp=1

Realistic_Repair_NV.esp=1

noautoaim.esp=1

Modified Combat Values v2.esp=1

realistic headshots.esp=1

WMXUE.esp=1

WMXUE-CouriersStash.esp=1

EVE FNV - ALL DLC.esp=1

Fellout.esp=1

Interior Lighting Overhaul - Ultimate Edition.esp=1

ILO - GS Shack.esp=1

ILO - A World of Pain.esp=1

LadderRestorationProject.esp=1

LRPNexusCommunityPack.esp=1

LRPWatertowers.esp=1

LRPenemiesredux.esp=1

BT Remove Powderganger Ownership.esp=1

NVEC Complete MMUE Patch.esp=1

NVEC Complete WMX Patch.esp=1

NVEC Complete AWOP Patch.esp=1

NVEC Complete NVR2 Patch.esp=1

BushesRemoved.esp=1

GrassRemoved.esp=1

TumbleweedsRemoved.esp=1

Clean-Deluxe FNV.esp=1

Clean-Deluxe FNV Merge - All DLC.esp=1

BetterGamePerformanceV4.esp=1

Edited July 30, 2013 by Damassta

[Jayblah]

Means you are missing meshes. Those error-signs are placeholders. Try re-installing mesh mods and making sure everything is in its rightful place.