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War Lock Two Barrel Upgrade Kit - FSBarrel Adapter Assembly Free Float - Small MI

War Lock Two Barrel Upgrade Kit – FS

$458.00

Imagine….one rifle for most calibers!

The War Lock™ transforms your AR platform into the Multiple Caliber System. The AR platform can fire over 90 calibers in its stock configuration. With the War Lock™, the operator can select different calibers without the need for dedicated upper receivers for each barrel assembly.  Transition between your shooting options with ease. The safe and reliable multiple caliber AR-15 solution to your selective shooting style.

War Lock™ Highlights:

Fast caliber changes – New storage capabilities – Easier to transport – More effective access for cleaning – Intuitive accessory combinations – Quick assembly and disassembly – Durable materials for lifetime use – Ergonomic design – Modular system

NOTE: Our products are made to order! Due to the launch popularity of our flagship product, please allow up to 30 days for your order to be delivered.

War Lock Two Barrel Upgrade KitWar Lock Two Barrel Upgrade Kit

War Lock Two Barrel Upgrade Kit

$409.00

Imagine….one rifle for most calibers!

The War Lock™ transforms your AR platform into the Multiple Caliber System. The AR platform can fire over 90 calibers in its stock configuration. With the War Lock™, the operator can select different calibers without the need for dedicated upper receivers for each barrel assembly.  Transition between your shooting options with ease. The safe and reliable multiple caliber AR-15 solution to your selective shooting style.

War Lock™ Highlights:

Fast caliber changes – New storage capabilities – Easier to transport – More effective access for cleaning – Intuitive accessory combinations – Quick assembly and disassembly – Durable materials for lifetime use – Ergonomic design – Modular system

NOTE: Our products are made to order! Due to the launch popularity of our flagship product, please allow up to 30 days for your order to be delivered.

War Lock Upgrade Kit - FSWar Lock Upgrade Kit - FS

War Lock Upgrade Kit – FS

$329.00

Imagine….one rifle for most calibers!

The War Lock™ transforms your AR platform into the Multiple Caliber System. The AR platform can fire over 90 calibers in its stock configuration. With the War Lock™, the operator can select different calibers without the need for dedicated upper receivers for each barrel assembly.  Transition between your shooting options with ease. The safe and reliable multiple caliber AR-15 solution to your selective shooting style.

War Lock™ Highlights:

Fast caliber changes – New storage capabilities – Easier to transport – More effective access for cleaning – Intuitive accessory combinations – Quick assembly and disassembly – Durable materials for lifetime use – Ergonomic design – Modular system

NOTE: Our products are made to order! Due to the launch popularity of our flagship product, please allow up to 30 days for your order to be delivered.

War Lock Complete Upper Receiver 2War Lock Complete Upper Receiver

War Lock Complete Upper Receiver

$329.00
Rated 5.00 out of 5

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.

War Lock Upgrade KitWar Lock Upgrade Kit

War Lock Upgrade Kit

$299.00
Rated 5.00 out of 5

Imagine….one rifle for most calibers!

The War Lock™ transforms your AR platform into the Multiple Caliber System. The AR platform can fire over 90 calibers in its stock configuration. With the War Lock™, the operator can select different calibers without the need for dedicated upper receivers for each barrel assembly.  Transition between your shooting options with ease. The safe and reliable multiple caliber AR-15 solution to your selective shooting style.

War Lock™ Highlights:

Fast caliber changes – New storage capabilities – Easier to transport – More effective access for cleaning – Intuitive accessory combinations – Quick assembly and disassembly – Durable materials for lifetime use – Ergonomic design – Modular system

NOTE: Our products are made to order! Due to the launch popularity of our flagship product, please allow up to 30 days for your order to be delivered.

FT-15 Complete Lower Receiver - MFT-15 Complete Lower Receiver - M

FT-15 Complete Lower Receiver

$270.00

***A Federal Firearms License (FFL) is required to purchase this item.***

Frontier Tactical Complete Open Trigger Assembled Lower Receiver. This includes an installed Lower Parts Kit and Magpul, 6 position Butt Stock assembly, lower receiver extension, buffer, buffer spring and Magpul Pistol grip. This complete lower receiver is marked “MULTI CAL” and is a semi-auto AR-15.

Every AR-15 is capable of becoming a multiple caliber platform.  For that reason, every AR complete lower receiver we sell comes from the factory with two important multiple caliber upgrades:

  • The lower receiver is marked “MULTI CAL” for all AR-15 cartridges.
  • Our lower receivers come with a Wolff Extra Power Hammer Spring installed for harder military primers (e.g., 5.45x39mm, 7.62x39mm, etc).

FFL REQUIRED for purchase, send copy of FFL to sales@frontiertactical.com

Receiver Adapter AssemblyReceiver Adapter Assembly

Receiver Adapter Assembly

$200.00

War Lock™ Receiver Adapter Assembly

The War Lock™ Receiver Adapter Assembly is designed to interlock with the Barrel Adapter Assembly. Each barrel system can be customized to the individual choice of the shooter. Switch between barrels and select for any of these:

  • Different rifle or pistol calibers (All NFA rules apply)
  • Varying twist rates
  • Longer or shorter lengths (All NFA rules apply)
  • Diverse options in finish or fluting
  • Rapid choice of muzzle device or suppressors (All NFA rules apply)

Take a moment to realize the true capability of a Modular AR-15 platform. Create individual barrel systems for every caliber or load without spending all your money. Be prepared to shoot any ammunition that is available, instead of getting caught short in a panic buy.

NOTE: Our products are made to order! Due to the launch popularity of our flagship product, please allow up to 30 days for your order to be delivered.

FT-15 Stripped Lower ReceiverFT-15 Stripped Lower Receiver

FT-15 Stripped Lower Receiver

$125.00

FT-15 Stripped Lower Receiver

FT-15 Stripped Lower Receiver

***A Federal Firearms License (FFL) is required to purchase this item.***

Frontier Tactical Complete Open Trigger Stripped Lower Receiver. This complete lower receiver is marked “MULTI CAL” and is a semi-auto, AR-15 stripped lower receiver.  Perfect for out-of-the-box true multiple caliber AR-15 builds.

FFL REQUIRED for purchase, send copy of FFL to sales@frontiertactical.com

Our FT-15 Stripped Lower Receiver is manufactured in the U.S.A. to the highest standards and closest tolerances.  Our goal is to provide the market with a rugged, hard use AR-15 that anyone can depend on.  Don’t settle for low quality components when building your firearm.

Made from a military grade, high-strength, 7075 T6 aluminum forging for reliable performance and world class durability. Mil-Spec, Type III Hardcoat Anodized finish adds extra strength to the receiver walls and delivers superior abrasion-resistance for rugged field use. Precision machined to ensure drop-in installation of Mil-Spec, aftermarket components.

Every step to the manufacturing process of our FT-15 Stripped Lower Receiver was chosen specifically by military veterans to ensure it stands up to the harsh field use of warriors, hunters and shooters in any environmental conditions.  We manufacture our own receivers in house from quality forgings, to ensure tight tolerances and superior quality.

Made in the U.S.A.

Barrel Adapter Assembly Kit - FSBarrel Adapter Assembly Kit - FS

Barrel Adapter Assembly Kit – FS

$115.00

The Barrel Adapter Assembly Kit – FS is designed to work with the majority of commercially available rail systems, handguard tubes, gas blocks and front sight assemblies. Our goal is to create our products without any proprietary roadblocks; giving you the freedom to shop around for the best components and pricing to match your individual builds.

Our “Small Free Float Adapter” is designed to accommodate clamp on free float rails.  The knurled section of the free float tube/rail must be able to fit our 1.360″ knurled outside diameter.  All of our small free float rails and adapters are interchangeable.

**Compatible with many off the shelf free float rail systems.  Picture of Midwest Industries rail is for illustration purposes.  Midwest Industries rail is not included in this kit.**

Barrel Adapter Assembly KitBarrel Adapter Assembly Kit

Barrel Adapter Assembly Kit

$99.00

War Lock™ Barrel Adapter Assembly Kit

The War Lock™ is designed to interlock with the Barrel Adapter Assembly. Each barrel system can be customized to the individual choice of the shooter. Switch between barrels and select for any of these:

  • Different rifle or pistol calibers (All NFA rules apply)
  • Varying twist rates
  • Longer or shorter lengths (All NFA rules apply)
  • Diverse options in finish or fluting
  • Rapid choice of muzzle device or suppressors (All NFA rules apply)

Take a moment to realize the true capability of a Modular AR-15 platform. Create individual barrel systems for every caliber or load without spending all your money. Be prepared to shoot any ammunition that is available, instead of getting caught short in a panic buy.

NOTE: Our products are made to order! Due to the launch popularity of our flagship product, please allow up to 30 days for your order to be delivered.

Barrel Adapter Assembly - FSBarrel Adapter Assembly - FS

Barrel Adapter Assembly – FS

$96.00

Barrel Adapter Assembly – FS

The War Lock™ is designed to interlock with the Barrel Adapter Assembly – FS. Each barrel system can be customized to the individual choice of the shooter. Switch between barrels and select for any of these:

  • Different rifle or pistol calibers (All NFA rules apply)
  • Varying twist rates
  • Longer or shorter lengths (All NFA rules apply)
  • Diverse options in finish or fluting
  • Rapid choice of muzzle device or suppressors (All NFA rules apply)

Take a moment to realize the true capability of a Modular AR-15 platform. Create individual barrel systems for every caliber or load without spending all your money. Be prepared to shoot any ammunition that is available, instead of getting caught short in a panic buy.

NOTE: Our products are made to order! Due to the launch popularity of our flagship product, please allow up to 30 days for your order to be delivered.

Barrel Adapter AssemblyBarrel Adapter Assembly

Barrel Adapter Assembly

$59.00

War Lock™ Barrel Adapter Assembly

The War Lock™ is designed to interlock with the Barrel Adapter Assembly. Each barrel system can be customized to the individual choice of the shooter. Switch between barrels and select for any of these:

  • Different rifle or pistol calibers (All NFA rules apply)
  • Varying twist rates
  • Longer or shorter lengths (All NFA rules apply)
  • Diverse options in finish or fluting
  • Rapid choice of muzzle device or suppressors (All NFA rules apply)

Take a moment to realize the true capability of a Modular AR-15 platform. Create individual barrel systems for every caliber or load without spending all your money. Be prepared to shoot any ammunition that is available, instead of getting caught short in a panic buy.

NOTE: Our products are made to order! Due to the launch popularity of our flagship product, please allow up to 30 days for your order to be delivered.

Installation FixtureInstallation Fixture

Installation Fixture

$48.00

Installation Fixture

Installation Fixture. 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 Installation Fixture is used for the installation of the Barrel Adapter Assembly and for the installation of muzzle devices; which prevents potential damage to the upper receiver. One Installation Fixture is included with each War Lock™ Multiple Caliber System Retrofit Kit. The Installation Fixture is also used as a GO/NO GO gauge for checking the proper installation of the Barrel Adapter Assembly. Made in the U.S.A.

Transportation and Storage CapTransportation and Storage Cap

Transportation and Storage Cap

$27.00

Transportation and Storage Cap.

Transportation and Storage Cap. 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 Transportation and Storage Cap is used to prevent potential damage to the gas tube of complete barrel assemblies. One Transportation and Storage Cap is included with each War Lock™ Multiple Caliber System Retrofit Kit, complete barrel assemblies, and each Barrel Adapter Assembly AR15 Adapter Kit. Made in the U.S.A.

Handguard Retainer AssemblyHandguard Retainer Assembly

Handguard Retainer Assembly

$22.00

Handguard Retainer Assembly.

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 Handguard Retainer Assembly is used for two piece drop in handguards. One Handguard Retainer Assembly is included with each War Lock™ Multiple Caliber System Retrofit Kit. Each additional Handguard Retainer Assembly is purchased by adding this item to the shopping cart. Black anodized aluminum with black oxide bolts for high strength and corrosion resistance. Made in the U.S.A.

AR-15 6.8 SPC Magazine 25 RoundAR-15 6.8 SPC Magazine 25 Round

AR-15 6.8 SPC Magazine 25 Round

$19.00

AR-15 6.8 SPC Magazine 25 Round. ASC’s 6.8 SPC Stainless Steel magazines are engineered with the highest levels of quality for increased longevity, simply the best in the industry! Our magazines are manufactured 100% start to finish in the USA using .020 gauge 410 Stainless Steel Alloy, heat treated for superior strength and lasting endurance. Our magazines are chemically treated for corrosion resistance [ref QQ-P-35] and coated with our proprietary finish, Marlube which is a wear-in not wear-off coating that burnishes into the surface providing self-lubricating properties. The interior dimensions of OAL 2.316” ± .002 are perfect for reloads. As with all of our products… the most dependable and consistency of quality is what we offer you. We produce the results you demand and need! Made in the U.S.A.