AR Build Kits | MCS Gearup

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AR-15 5.56 Nato 20″ Rifle Upper Complete Build Kits Assembled Black Heavy barrel Upper

MSRP: $600.99 - $605.99

Was:

Now: $560.99 - $570.99

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AR-15 6.5 Grendel 18″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black barrel Upper

MSRP: $610.99

Was:

Now: $570.99

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AR-15 5.56 Nato 20″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black Heavy barrel Upper

MSRP: $599.99

Was:

Now: $550.99

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AR-15 .223 Wylde 18″ Rifle Upper 17″ Rail Complete Build Kits Assembled S.S barrel Upper

MSRP: $599.99

Was:

Now: $550.99

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AR-15 .223 Wylde 20″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black barrel Upper

MSRP: $599.99

Was:

Now: $548.99

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7″ AR BUILD KIT 5.56/.223 BCG / LPK / SB BRACE COMP-BLD07SB

MSRP: $645.99

Was: $549.99

Now: $539.99

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SALE

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10″ AR BUILD KIT 5.56/.223 BCG / LPK / SB BRACE COMP-BLD10SB

MSRP: $645.99

Was: $549.99

Now: $539.99

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SALE

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Shorty 5" AR15 Complete Build Kit

MSRP: $609.99

Was: $560.99

Now: $535.99

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AR-15 5.56 Nato 10.5″ Pistol Upper Complete Build Kits Assembled S.S barrel Upper

MSRP: $599.99 - $605.99

Was:

Now: $520.99 - $530.99

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AR-15 .223 Wylde 16″ Rifle Upper 12″ Rail Complete Build Kits Assembled S.S barrel Upper

MSRP: $589.99

Was:

Now: $525.99

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AR-15 350 Legend 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper

MSRP: $580.99 - $599.99

Was:

Now: $500.99 - $520.99

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AR-15 9 mm 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper

MSRP: $589.99 - $599.99

Was:

Now: $499.99 - $510.99

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AR-15 5.56 Nato 20″ Rifle Upper Complete Build Kits Assembled Black Heavy barrel Upper

Shooters Gate is now proud to offer the AR15 Assembled Rifle Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Rifle. AR15 Assembled Rifle Upper Receiver Components: A fully...

MSRP: $600.99 - $605.99

Was:

Now: $560.99 - $570.99

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AR-15 6.5 Grendel 18″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black barrel Upper

MCS is now proud to offer the AR15 Assembled Rifle Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Rifle ! AR15 Assembled Rifle Upper Receiver Components: A fully assembled...

MSRP: $610.99

Was:

Now: $570.99

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AR-15 5.56 Nato 20″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black Heavy barrel Upper

MCS is now proud to offer the AR15 Assembled Rifle Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Rifle ! AR15 Assembled Rifle Upper Receiver Components: A fully assembled...

MSRP: $599.99

Was:

Now: $550.99

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AR-15 .223 Wylde 18″ Rifle Upper 17″ Rail Complete Build Kits Assembled S.S barrel Upper

MCS is now proud to offer the AR15 Assembled Rifle Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Rifle ! AR15 Assembled Rifle Upper Receiver Components: A fully assembled...

MSRP: $599.99

Was:

Now: $550.99

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AR-15 .223 Wylde 20″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black barrel Upper

MCS is now proud to offer the AR15 Assembled Rifle Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Rifle ! AR15 Assembled Rifle Upper Receiver Components: A fully assembled...

MSRP: $599.99

Was:

Now: $548.99

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SALE

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7″ AR BUILD KIT 5.56/.223 BCG / LPK / SB BRACE COMP-BLD07SB

Our complete AR15 5.56 Build Kit comes with a FULLY ASSEMBLED Upper, Lower Parts Kit and Buffer tube Assembly and Brace. Capable of shooting both .223 and 5.56. Includes: Upper Receiver 5.56 NATO BARREL 7.5″ XTS Charging Handle XTS Forward...

MSRP: $645.99

Was: $549.99

Now: $539.99

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SALE

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10″ AR BUILD KIT 5.56/.223 BCG / LPK / SB BRACE COMP-BLD10SB

Our complete AR15 5.56 Build Kit comes with a FULLY ASSEMBLED Upper, Lower Parts Kit and Buffer tube Assembly and Brace. Capable of shooting both .223 and 5.56. Includes: Upper Receiver 5.56 NATO BARREL 10.5″ XTS Charging Handle XTS Forward...

MSRP: $645.99

Was: $549.99

Now: $539.99

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SALE

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Shorty 5" AR15 Complete Build Kit

Build the ultimate backpack gun with the new MCS shorty 5" pistol build kit. This kit features all USA made parts as well as the 3.5 short buffer system. Includes: USA Made 3.5 Short Buffer System USA Made Lower Parts Kit USA Made 5.56 NATO...

MSRP: $609.99

Was: $560.99

Now: $535.99

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AR-15 5.56 Nato 10.5″ Pistol Upper Complete Build Kits Assembled S.S barrel Upper

MCS is now proud to offer the AR-15 Assembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol ! AR-15 Assembled Pistol Upper Receiver Components: A fully...

MSRP: $599.99 - $605.99

Was:

Now: $520.99 - $530.99

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AR-15 .223 Wylde 16″ Rifle Upper 12″ Rail Complete Build Kits Assembled S.S barrel Upper

MCS is now proud to offer the AR15 Assembled Rifle Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Rifle ! AR15 Assembled Rifle Upper Receiver Components: A fully assembled...

MSRP: $589.99

Was:

Now: $525.99

Add to Cart Compare
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AR-15 350 Legend 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper

MCS is now proud to offer the AR15 Assembled Rifle Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Rifle ! AR15 Assembled Rifle Upper Receiver Components: A fully assembled...

MSRP: $580.99 - $599.99

Was:

Now: $500.99 - $520.99

Choose Options Compare
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AR-15 9 mm 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper

MCS is now proud to offer the AR15 Assembled Rifle Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Rifle ! AR15 Assembled Rifle Upper Receiver Components: A fully assembled...

MSRP: $589.99 - $599.99

Was:

Now: $499.99 - $510.99

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AR-15 5.56 Nato 20″ Rifle Upper Complete Build Kits Assembled Black Heavy barrel Upper

AR-15 6.5 Grendel 18″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black barrel Upper

AR-15 5.56 Nato 20″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black Heavy barrel Upper

AR-15 .223 Wylde 18″ Rifle Upper 17″ Rail Complete Build Kits Assembled S.S barrel Upper

AR-15 .223 Wylde 20″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black barrel Upper

7″ AR BUILD KIT 5.56/.223 BCG / LPK / SB BRACE COMP-BLD07SB

10″ AR BUILD KIT 5.56/.223 BCG / LPK / SB BRACE COMP-BLD10SB

Shorty 5" AR15 Complete Build Kit

AR-15 5.56 Nato 10.5″ Pistol Upper Complete Build Kits Assembled S.S barrel Upper

AR-15 .223 Wylde 16″ Rifle Upper 12″ Rail Complete Build Kits Assembled S.S barrel Upper

AR-15 350 Legend 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper

AR-15 9 mm 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper

AR-15 5.56 Nato 20″ Rifle Upper Complete Build Kits Assembled Black Heavy barrel Upper

AR-15 6.5 Grendel 18″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black barrel Upper

AR-15 5.56 Nato 20″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black Heavy barrel Upper

AR-15 .223 Wylde 18″ Rifle Upper 17″ Rail Complete Build Kits Assembled S.S barrel Upper

AR-15 .223 Wylde 20″ Rifle Upper 17″ Rail Complete Build Kits Assembled Black barrel Upper

7″ AR BUILD KIT 5.56/.223 BCG / LPK / SB BRACE COMP-BLD07SB

10″ AR BUILD KIT 5.56/.223 BCG / LPK / SB BRACE COMP-BLD10SB

Shorty 5" AR15 Complete Build Kit

AR-15 5.56 Nato 10.5″ Pistol Upper Complete Build Kits Assembled S.S barrel Upper

AR-15 .223 Wylde 16″ Rifle Upper 12″ Rail Complete Build Kits Assembled S.S barrel Upper

AR-15 350 Legend 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper

AR-15 9 mm 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper