A 5.56 rifle build kit is a comprehensive set of components for assembling an AR-15 rifle chambered in 5.56 NATO. It typically includes a 5.56 barrel, upper receiver, handguard, gas system, bolt carrier group, charging handle, lower parts kit, buffer tube assembly, and stock. The kit works with AR-15 lower receivers and is compatible with standard AR-15 parts, making it ideal for custom builds focused on target shooting, hunting, or home defense.
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Select optionsQuick View16″ Flat Dark Earth Rifle Kit 5.56 with 12″ Keymod with Lower
$409.95In stock
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Select optionsQuick View16′” AR-15 Rifle Kit with 12″ Slim Keymod with 80% Lower Receiver – Burnt Bronze
$409.95In stock
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Select optionsQuick ViewTitanium Blue 16″ AR 15 Kit with 12″ Slim Keymod with Lower
$409.95In stock
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Select optionsQuick ViewAR15 Rifle Kit Stainless Steel 1×8 Upper Assembled without AR-15 Lower
$349.95In stock
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Select optionsQuick ViewFlat Dark Earth 16″ Kit 5.56 15″ Riveted Keymod with Lower
$419.95In stock
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