Shop a Variety of Barrels, Muzzle Devices, Upper Receivers, Parts and more for your 5.56 Caliber AR-15
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5.56 Caliber
Sale!
AR-15 5.56 Pistol Upper with Carbine Quad Rail & Ported Muzzle Brake
Rated 5.00 out of 5
$419.95 Original price was: $419.95.$349.95Current price is: $349.95.
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
Sale!
AR-15 10.5 Inch Upper Assembly with 10 Inch M-LOK and MCBS (Anodized Black)
Rated 5.00 out of 5
$599.95
AR-15 5.56 Pistol Upper Assembly with 6.75″ KeyMod Handguard and MCBS System
Rated 4.33 out of 5
$449.95