The War Lock™ AR Ready Series is our factory assembled line of Multiple Caliber System products. These systems are ready to use out of the box.

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War Lock Barrel Assembly-Carbine Length-MagpulWar Lock Barrel Assembly-Carbine Length 2

War Lock Barrel Assembly-Carbine Length

$449.50$843.50

War Lock Barrel Assembly-Carbine Length. The War Lock™ forges your AR into a Multiple Caliber System.  It replaces the traditional barrel nut and enables the quick installation and removal of War Lock™ equipped barrel assemblies.  The War Lock Barrel Assembly-Carbine Length is a completely assembled and tested component ready to use with the War Lock Upper Receiver. Each Barrel Assembly is available in different gas lengths, calibers, barrel lengths, and with many different accessory combinations. Includes low profile gas block, A2 style flash suppressor and Transportation/Storage Cap. Available in Black, Flat Dark Earth, Olive Drab Green and Gray. Made in the U.S.A.

**Does not come with bolt or bolt carrier group** – Available for separate purchase.

War Lock Barrel Assembly-Pistol Length-MagpulWar Lock Barrel Assembly-Pistol Length 2

War Lock Barrel Assembly-Pistol Length

$475.50$601.50

War Lock Barrel Assembly-Pistol Length-Magpul. The War Lock™ forges your AR into a Multiple Caliber System.  It replaces the traditional barrel nut and enables the quick installation and removal of War Lock™ equipped barrel assemblies.  The War Lock Barrel Assembly-Pistol Length is a completely assembled and tested component ready to use with the War Lock Upper Receiver. Each Barrel Assembly is available in different gas lengths, calibers, barrel lengths, and with many different accessory combinations. Includes low profile gas block, A2 style flash suppressor and Transportation/Storage Cap. Made in the U.S.A.

**Does not come with bolt or bolt carrier group** – Available for separate purchase.

War Lock Complete Upper Receiver 2War Lock Complete Upper Receiver

War Lock Complete Upper Receiver

$329.00

War Lock Complete Upper Receiver. The standard AR platform can already fire over 90 calibers, but requires either a dedicated upper receiver for each barrel, or the labor intensive removal and installation of a barrel. The War Lock™ Complete Upper Receiver was created to remove the time and labor required for the customer to install the War Lock Kit on their own AR15 upper receiver. Our upper receivers come with an enlarged ejection port to accommodate calibers up to, and including .50 Beowulf. Hard-coat anodized aluminum with M4 feed ramps. Made in the U.S.A.

NOTE – The War Lock™ Complete Upper Receiver does not come with a Barrel Adapter Assembly, Installation Fixture, Transportation/Storage Cap or Handguard Retainer Assembly.  This product also does not include a Charging Handle or BCG.

Complete Bolt Carrier GroupComplete Bolt Carrier Group

Complete Bolt Carrier Group

$210.00

Complete Bolt Carrier Group. The War Lock™ forges your AR into a Multiple Caliber System.  It replaces the traditional barrel nut and enables the quick installation and removal of War Lock™ equipped barrel assemblies.  The Complete Bolt Carrier Group is a completely assembled and tested bolt carrier group, that is ready to use with the War Lock Upper Receiver and compatible barrel.

Do not mix bolts and barrels from other manufacturers.  Our bolts are designed to run with our complete barrel assemblies.

Made in the U.S.A.