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5.56 Caliber

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

Showing 1–16 of 104 results

Sale!
AR-15 Pistol Upper with Carbine Quad Rail 5.56 caliber
Rated 5.00 out of 5
~~$299.99~~ $199.95
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Sale!
AR-15 5.56 Rifle Upper Receiver Set “Trump MAGA” Limited Edition in Red, Black, or Blue
Rated 5.00 out of 5
$499.95 – $529.95
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Sale!
AR-15 Blue 5.56 Complete Rifle Upper Receiver “ARCHANGEL”
Rated 5.00 out of 5
$449.95 – $459.95
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Sale!
AR-15 5.56 Complete California Legal Upper Receiver
Rated 4.00 out of 5
$369.95 – $389.95
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Sale!
AR-15 5.56 Complete Red Rifle Upper Receiver “DIRTY DEVIL”
Rated 5.00 out of 5
$349.95 – $359.95
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Sale!
AR-15 5.56 Upper with 15 inch Octagonal KeyMod Or M-LOK Slim profile and Match Grade Barrel with Color Options
Rated 5.00 out of 5
$349.95 – $379.95
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Sale!
AR-15 Upper Receiver In 5.56 “Grunt Series” Mod-2
Rated 5.00 out of 5
~~$369.95~~ $199.95
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AR-15 Ejection Port Dust Cover in Black or Red
$10.95 – $16.95
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Sale!
AR-15 5.56 Rifle Upper Undead Zombie Green Series
~~$599.99~~ $519.95
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Sale!
AR-15 Upper Receiver In 5.56 “Grunt Series” Mod-1
Rated 5.00 out of 5
~~$369.95~~ $199.95
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Sale!
AR-15 5.56 Custom Upper – Night Hawk 16″
~~$454.95~~ $399.95
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AR-15 Pistol Upper 5.56 9 inch KeyMod or M-LOK Slim Profile RIP Series Black
Rated 5.00 out of 5
$349.95 – $389.95
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AR 15 Match Grade Pistol Barrel Billet Stainless Steel 5.56
$149.99
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AR-15 Upper And 12 Inch Modular Slim Profile Handguard Combo
$84.95
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Sale!
AR-15 Pistol Upper 5.56 Arctic White Pistol Upper Set
~~$599.95~~ $449.95
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Sale!
AR-15 5.56 Custom “MERICA” Upper Receiver
~~$799.95~~ $649.95
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