Here's what the new MWR update includes..

NEW WEAPON KIT COLLECTION BOUNTIES
Weapon Kits in Modern Warfare Remastered are kits that can change the entire look of your weapon, and four new ones will soon be available as bounty items. You unlock these by collecting other items such as emblems, camos, uniforms and more. Once you assemble the collection by crafting the items with Parts, or receiving them in content drops, youll have access to the bounty item.
As with all Sets, note that the bounty items are not available to assemble with Parts, or through Supply Drops. You can only get them after you acquire the required items in the collection.
HUNTSMAN
This Sniper Class Weapon Kit gives your sniper rifles the field-ready look of a working class weapon. For example, your sniper rifle can look camouflaged like a ghillie suit or covered in duct tape.
LAWMAN
Bring a bit of the Old West to Modern Warfare with this Shotgun Class Weapon Kit. Youll feel like a gunslinger when your shotguns have the look and feel of high-class weapons from Western Americana, complete with filigreed details and wood stocks.
BATTLE-SCARRED
If you like to get up close and personal, then the SMG is probably one of your workhorse weapons. The Battle-Scarred Weapon Kit will make your weapons look like they have been through many a firefight, scars and all.
CZAR
The Czar Weapon Kit provides the look of pure gold to your LMGs, putting the bling in your loadout and onto the field of battle. These golden guns are over the top, flashy, and deadly as ever.
NEW MELEE WEAPON SETS
In addition to Weapon Kits, two new melee weapons are coming to join the fray to add a bladed edge to your loadout. These can be earned as bounties just like the weapon kits, and assembling the required items will give you access to these new weapons.
GLADIATOR
Stride into battle with the might of a gladiator when you equip this contemporary recreation of the historical Gladius sword, used as the weapon of choice by Roman foot soldiers.
HATCHETMAN
Strap on some deadly curves when you add the Military Axe to your loadout. This updated take on the classic hatchet looks fearsome in the field and is ready to do your dirty work.
CUSTOMIZATION GALORE
In addition to the new weapons and weapon kits, there are now many more ways to customize the way your soldier looks on the battlefield.
WEAPON CAMO SETS
Four new weapon camo sets each bring new camos to the field, with 39 new weapon camos total.
CALLING CARD SETS
Customize your calling card with 31 new options for you to wear with pride.
EMBLEM SETS
With 39 new emblems to pair with your calling card, variety is now your middle name.
RETICLE SETS
Set your sights with new looks with 39 different new reticles to choose from.
NEW RANGED WEAPON COLLECTION BOUNTIES
Also, three new weapon collection bounties are heading to Modern Warfare Remastered. Each is carefully balanced and appropriate to the modern era, and once again these are earned as bounties, by assembling the required items in each collection by either crafting them with Parts or by receiving the items in Supply Drops.
KAMCHATKA-12
This is a fully-automatic, 12-gauge shotgun of Russian origin, and features an 8-round detachable box magazine.
XM-LAR
This fully automatic assault rifle comes from the European theater, and utilizes 7.62x51mm NATO cartridges in a 30-round detachable box.
.44 MAGNUM
This is the classic .44 Magnum six-round revolver, featuring a stylized military grip and signature long barrel.

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