5.56 Caliber

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Shop a Variety of Barrels, Muzzle Devices, Upper Receivers, Parts and more for your 5.56 Caliber AR-15

AR-15 Pistol Upper with Carbine Quad Rail 5.56 Caliber

Rated 5.00 out of 5

$379.95

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AR-15 5.56 Rifle Upper "DIRTY DEVIL" MOD-1

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AR-15 5.56 Complete Red Rifle Upper Receiver “DIRTY DEVIL”

Rated 5.00 out of 5

$449.95 – $599.99

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AR-15 5.56 Complete California Legal Upper Receiver

Rated 4.63 out of 5

$429.95 – $449.95

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Anodized Gold Trump MAGA AR-15 Upper Kit

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AR-15 5.56 Rifle Upper Receiver Set “Trump MAGA” Limited Edition (Color Options)

Rated 5.00 out of 5

$579.95 – $599.95

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AR15 5.56 Upper with 15" Octagonal Super Light KeyMod Slim profilev and Match Grade Barrel With A2 Flash Hider

AR-15 5.56 Upper with 15 inch KeyMod Or M-LOK Slim Profile 416R Stainless Barrel (Color Options)

Rated 5.00 out of 5

$479.95 – $499.99

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AR-15 Stripped Billet Upper Receiver (Color Options)

Rated 5.00 out of 5

$109.95 – $169.95

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AR15 Gen 2 RIP Upper Receiver in 5.56 And 300 Black Out In Multiple Colors

AR-15 Gen 2 RIP Upper Receiver in 5.56 or 300 Blackout (Color Options)

Rated 5.00 out of 5

$419.95 – $449.95

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AR-15 Pistol Upper 5.56 9 inch KeyMod or M-LOK Slim Profile RIP Series Black

Rated 4.20 out of 5

$399.95 – $419.95

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AR-15 Pistol Upper with Carbine Quad Rail With Claw Flash Hider on Lower

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AR-15 Pistol 5.56 Upper with Carbine Quad Rail & Claw Flash Hider

Rated 5.00 out of 5

~~$379.95~~ $319.95

Out of Stock

AR-15 5.56 Upper “Stinger” Mod-FDE in Flat Dark Earth mounted on lower

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AR-15 5.56 Upper Receiver “Stinger” Mod-FDE with Kings Crown Brake

Rated 5.00 out of 5

~~$599.95~~ $519.95

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AR-15 Pistol Upper 5.56 "Dirty Devil" RIP Series

AR-15 Red Pistol Upper 5.56 “Dirty Devil” RIP Series

Rated 5.00 out of 5

$519.99

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Sale!

AR-15 5.56 Custom Upper “Oath Keeper”

Rated 5.00 out of 5

~~$589.99~~ $449.99

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5.56 Caliber

AR-15 Pistol Upper with Carbine Quad Rail 5.56 Caliber

AR-15 5.56 Complete Red Rifle Upper Receiver “DIRTY DEVIL”

AR-15 5.56 Complete California Legal Upper Receiver

AR-15 5.56 Rifle Upper Receiver Set “Trump MAGA” Limited Edition (Color Options)

AR-15 5.56 Upper with 15 inch KeyMod Or M-LOK Slim Profile 416R Stainless Barrel (Color Options)

AR-15 Stripped Billet Upper Receiver (Color Options)

AR-15 Gen 2 RIP Upper Receiver in 5.56 or 300 Blackout (Color Options)

AR-15 Pistol Upper 5.56 9 inch KeyMod or M-LOK Slim Profile RIP Series Black

AR-15 Pistol 5.56 Upper with Carbine Quad Rail & Claw Flash Hider

AR-15 5.56 Upper Receiver “Stinger” Mod-FDE with Kings Crown Brake

AR-15 Red Pistol Upper 5.56 “Dirty Devil” RIP Series

AR-15 5.56 Custom Upper “Oath Keeper”

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