Shop a Variety of Barrels, Muzzle Devices, Upper Receivers, Parts and more for your 5.56 Caliber AR-15
5.56 Caliber
AR-15 5.56 Rifle Upper Receiver Set “Trump 2024” Limited Edition (Color Options)
Rated 4.86 out of 5
$879.95 – $899.99
AR-15 5.56 Upper with 15 inch M-LOK Slim Profile 416R Stainless Barrel (Color Options)
Rated 5.00 out of 5
$579.95 – $599.99
The Stinger: AR-15 5.56 Upper Receiver M-LOK with Kings Crown Brake in Flat Dark Earth
Rated 5.00 out of 5
$649.95
Sale!
AR-15 Pistol Upper 5.56 9 inch M-LOK Slim Profile RIP Series Black
Rated 4.20 out of 5
$499.95 – $519.95
AR-15 5.56 Billet Upper With 15″ M-LOK FDE Handguard And Spike Muzzle Comp
Rated 5.00 out of 5
$599.99
AR-15 5.56 Complete Rifle Diamond Series M-LOK Upper Receiver “ARCHANGEL” in Anodized Blue
Rated 5.00 out of 5
$599.95
Sale!