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 Upper with 16.5 Inch Shark Mouth Handguard and Stainless Micro Comp
Rated 5.00 out of 5
$599.95 Original price was: $599.95.$429.95Current price is: $429.95.
Sale!
AR-15 5.56 Custom Battle Worn FDE Upper Receiver
Rated 5.00 out of 5
$799.95 Original price was: $799.95.$649.95Current price is: $649.95.
Sale!
AR-15 Pistol Upper Gold Plated 5.56 M-LOK Gold Dipped Upper Set
$999.95 Original price was: $999.95.$699.99Current price is: $699.99.
AR-15 Pistol Upper 5.56 10 inch KeyMod Air-Light Blaster Series (Flat Dark Earth)
Rated 5.00 out of 5
$549.95