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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 1–10 of 107 results

Sale!
AR-15 Pistol Upper with Carbine Quad Rail 5.56 Caliber
Rated 5.00 out of 5
~~$299.99~~ $199.95 Add to cart
Sale!
AR-15 5.56 Complete Red Rifle Upper Receiver “DIRTY DEVIL”
Rated 5.00 out of 5
$349.95 – $359.95 Select options
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 Select options
Sale!
AR-15 Blue 5.56 Complete Rifle Upper Receiver “ARCHANGEL”
Rated 5.00 out of 5
$449.95 – $459.95 Select options
Sale!
AR-15 Pistol Upper With 7 Inch KeyMod Handguard
Rated 4.00 out of 5
~~$299.99~~ $199.95 Add to cart
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 Select options
Sale!
AR-15 5.56 Complete California Legal Upper Receiver
Rated 4.00 out of 5
$369.95 – $389.95 Select options
Sale!
AR-15 Stripped Billet Upper Receiver in Multiple Color Options
Rated 5.00 out of 5
$84.95 – $149.95 Select options
AR-15 Ejection Port Dust Cover in Black or Red
Rated 5.00 out of 5
$10.95 – $16.95 Select options
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 Select options