5.56mm Build Kits

5.56mm Build Kits

Build your own AR-15 faster with Always Armed complete 5.56 NATO build kits. Designed for both first-time builders and experienced shooters, each kit delivers high-quality USA-made components for reliable pistol or rifle platforms.

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  • ALWAYS ARMED 5" 5.56 NATO PISTOL KIT ALWAYS ARMED 5" 5.56 NATO OCTO IHS PISTOL KIT
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    ALWAYS ARMED 5" 5.56 NATO OCTO IHS PISTOL KIT

    $339.00 - $359.00
    Always Armed 5" 5.56 NATO Pistol Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  7.5" 1:5 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56...
    $339.00 - $359.00
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    $339.00 - $359.00
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  • ALWAYS ARMED 16" 5.56 NATO TR SERIES WITH TRINITY FORCE SIGHTS RIFLE KIT
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    ALWAYS ARMED 16" 5.56 NATO TR SERIES WITH TRINITY FORCE SIGHTS RIFLE KIT

    $519.98 - $539.00
    Always Armed 16" 5.56 NATO TR With Trinity Force Sights Rifle Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7 Twist 4150 Barrel with Black Nitride...
    $519.98 - $539.00
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    $519.98 - $539.00
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  • Hard Coat Black Anodized Complete AR Pistol Build Kit | 7" Aluminum M-LOK Hand Guard
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    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL PISTOL KIT - BLACK ANODIZED

    Now: $339.00
    Was: $449.99
    Always Armed 7.5" 5.56 NATO Stainless Steel Pistol Kit - Black Anodized Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  7.5" 1:7 Twist 416R Stainless Steel...
    Now: $339.00
    Was: $449.99
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    Was: $449.99
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  • ALWAYS ARMED OCTO SERIES 16" 5.56 NATO RIFLE KIT - TITANIUM
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    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO RIFLE KIT - TITANIUM

    Now: $379.00
    Was: $529.00
    Always Armed Octo Series 16" 5.56 NATO Rifle Kit - Titanium Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7  Twist 4150 Barrel with Black Nitride Finish...
    Now: $379.00
    Was: $529.00
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    Now: $379.00
    Was: $529.00
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  • ALWAYS ARMED 16" 5.56 NATO TR RIFLE KIT - BLACK
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    ALWAYS ARMED 16" 5.56 NATO TR RIFLE KIT - BLACK

    Now: $359.00
    Was: $469.00
    ALWAYS ARMED 16" 5.56 NATO TRX RIFLE KIT Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5...
    Now: $359.00
    Was: $469.00
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    Now: $359.00
    Was: $469.00
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  • ALWAYS ARMED OCT2 Series 16" 5.56 NATO Rifle Kit layout showing upper receiver, BCG, handguard, lower parts kit, and stock assembly in black.
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    ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO RIFLE KIT - BLACK

    Now: $359.00
    Was: $469.00
    Build your custom AR-15 with the ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO RIFLE KIT. Proudly made in the USA, this all-in-one rifle kit provides everything needed to complete your build, featuring a...
    Now: $359.00
    Was: $469.00
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    Was: $469.00
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  • ALWAYS ARMED 10.5" 5.56 NATO BX SERIES PISTOL KIT - BLACK ANODIZED
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    ALWAYS ARMED 10.5" 5.56 NATO BX SERIES PISTOL KIT - BLACK ANODIZED

    Now: $359.00
    Was: $479.00
    Always Armed BX Series 10.5" 5.56 NATO Complete Pistol Build Kit – Black Build a compact, reliable AR-15 pistol with the Always Armed BX Series 10.5" 5.56 NATO Pistol Kit. Designed for optimal...
    Now: $359.00
    Was: $479.00
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    Was: $479.00
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  • Always Armed 10.5 inch 5.56 NATO TRX Series pistol build kit with Trinity Force sights and lower parts kit in black anodized finish
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    ALWAYS ARMED 10.5" 5.56 NATO TR SERIES WITH TRINITY FORCE SIGHTS PISTOL KIT

    Now: $339.00
    Was: $489.00
    Always Armed 10.5" 5.56 NATO TR Series with Trinity Force Sights Pistol Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  10.5" 1:7 Twist 4150 Barrel with Black...
    Now: $339.00
    Was: $489.00
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    Was: $489.00
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  • Flat lay view of the Always Armed 7.5-inch 5.56 NATO Gen 1 pistol kit showing all upper, lower parts, buffer tube, and BCG components.
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    ALWAYS ARMED 7.5" 5.56 NATO GEN 1 PISTOL KIT

    $329.00 - $349.00
    Always Armed 7.5" 5.56 NATO Gen 1 Pistol Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  7.5" 1:7  Twist 4150 Barrel with Black Nitride Finish Chambered...
    $329.00 - $349.00
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  • Out of stock
    AR15 Rifle Build Kit with Magpul MOE Accessories
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    GHOST 16" 5.56 WITH 14" M-LOK RAIL RIFLE KIT WITH MOE STOCK AND MOE+ GRIP- BLACK

    Now: $569.00
    Was: $662.90
    GHOST 16" 5.56 RIFLE KIT Hard Coat Black Anodized Chambered in 5.56 NATO 16" 1:7  Twist 4150 M4 Black Nitride Barrel 14" Ghost Firearms Free Float M-LOK Rail A2 Muzzle Device Mil-Spec 7075-T6 Upper...
    Now: $569.00
    Was: $662.90
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    Now: $569.00
    Was: $662.90
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  • Out of stock
    Always Armed 10.5-inch 5.56 NATO BR Series Pistol Kit complete with M16 BCG, lower parts kit, and 10-inch Gen 1 M-LOK handguard.
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    ALWAYS ARMED 10.5" 5.56 NATO BR SERIES PISTOL KIT

    Now: $319.00
    Was: $509.00
    Always Armed 10.5" 5.56 NATO BR Series Pistol Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  10.5" 1:7  Twist 4150 Barrel with Black Nitride...
    Now: $319.00
    Was: $509.00
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    Now: $319.00
    Was: $509.00
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    Out of stock
  • Flat lay view of the Always Armed 10.5-inch 5.56 NATO Gen 1 pistol kit showing all upper, lower parts, pistol buffer tube, and BCG components.
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    ALWAYS ARMED 10.5" 5.56 NATO GEN 1 PISTOL KIT

    $319.00 - $339.00
    Always Armed 10.5" 5.56 NATO Gen 1 Pistol Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  10.5" 1:7  Twist 4150 Barrel with Black Nitride...
    $319.00 - $339.00
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    $319.00 - $339.00
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  • Out of stock
    Always Armed 10.5-inch 5.56 NATO Octo Series Pistol Kit complete with M16 BCG, lower parts kit, and 9.25-inch M-LOK handguard.
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    ALWAYS ARMED 10.5" 5.56 NATO OCTO SERIES PISTOL KIT

    $319.00 - $399.00
    Always Armed 10.5" 5.56 NATO Octo Series Pistol Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  10.5" 1:7  Twist 4150 Barrel with Black Nitride...
    $319.00 - $399.00
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    $319.00 - $399.00
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    Out of stock
  • Flat lay view of the Always Armed 16-inch 5.56 NATO BR Series rifle kit showing all upper, lower parts, stock, and BCG components.
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    ALWAYS ARMED 16" 5.56 NATO BR SERIES RIFLE KIT

    $329.00 - $549.00
    Always Armed 16" 5.56 NATO BR Series Rifle Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7  Twist 4150 Barrel with Black Nitride Finish Chambered...
    $329.00 - $549.00
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  • Flat lay view of the Always Armed 16-inch 5.56 NATO Gen 1 rifle kit showing all upper, lower parts, stock, and BCG components.
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    ALWAYS ARMED 16" 5.56 NATO GEN 1 RIFLE KIT

    $329.00 - $349.00
    Always Armed 16" 5.56 NATO Gen 1 Rifle Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7  Twist 4150 Barrel with Black Nitride Finish Chambered in...
    $329.00 - $349.00
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    $329.00 - $349.00
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  • Flat lay view of the Always Armed 16-inch 5.56 NATO Mid Length Gen 1 rifle kit showing all upper, lower parts, stock, and BCG components.
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    ALWAYS ARMED 16" 5.56 NATO MID LENGTH GEN 1 RIFLE KIT

    $329.00 - $349.00
    Always Armed 16" 5.56 NATO Mid Length Gen 1 Rifle Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7  Twist 4150 Barrel with Black Nitride...
    $329.00 - $349.00
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  • Flat lay view of the Always Armed 16-inch 5.56 NATO Pencil Barrel Gen 1 rifle kit showing all upper, lower parts, stock, and BCG components.
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    ALWAYS ARMED 16" 5.56 NATO PENCIL BARREL GEN 1 RIFLE KIT

    $329.00 - $349.00
    Always Armed 16" 5.56 NATO Pencil Barrel Gen 1 Rifle Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7  Twist 4150 Barrel with Black Nitride...
    $329.00 - $349.00
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  • Flat lay view of the Always Armed 16-inch 5.56 NATO Quad Rail rifle kit showing all upper, lower parts, stock, and BCG components.
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    ALWAYS ARMED 16" 5.56 NATO QUAD RAIL RIFLE KIT

    $339.00 - $359.00
    Always Armed 16" 5.56 NATO Quad Rail Rifle Kit Made in the USA 16" 4150 Black Nitride Barrel 1:7 Twist Rate Chambered in 5.56 NATO 15" Quad Rail Free Floating MLOK Quad Rail Hard Coat Black...
    $339.00 - $359.00
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  • Out of stock
    Always Armed 16 inch 5.56 NATO complete rifle kit in black anodized finish with 15 inch M-LOK handguard, lower parts kit, stock, bipod, and sights, Shooter's Gate bi-pod and Trinity Force flip-up sights included with Always Armed 16 inch 5.56 rifle kit, Mil-Spec lower parts kit, Bolt Carrier Group, charging handle, and M4 buttstock assembly for AR-15 build.
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    ALWAYS ARMED 16" 5.56 NATO RIFLE KIT WITH BI-POD AND SIGHTS

    Now: $359.00
    Was: $598.49
    ALWAYS ARMED 16" 5.56 NATO RIFLE KIT WITH BI-POD AND SIGHTS Mil-Spec 7075-T6 Forged Upper Receiver Made in The USA 16" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine...
    Now: $359.00
    Was: $598.49
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    Now: $359.00
    Was: $598.49
    Subtotal:
    Out of stock
  • Flat lay view of the Always Armed 16-inch 5.56 NATO TR Series rifle kit showing all upper, lower parts, stock, and BCG components.
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    ALWAYS ARMED 16" 5.56 NATO TR SERIES RIFLE KIT

    $329.00 - $349.00
    Always Armed 16" 5.56 NATO TR Series Rifle Kit Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7  Twist 4150 Barrel with Black Nitride Finish Chambered...
    $329.00 - $349.00
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