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5.56 Caliber

Category Description

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

Showing 1–12 of 333 resultsSorted by popularity

Sale!
AR-15 5.56 Complete California Legal Upper Receiver
Rated 4.70 out of 5
Price range: $429.95 through $479.95 Select options This product has multiple variants. The options may be chosen on the product page
AR-15 5.56 Complete Red Rifle Upper Receiver “DIRTY DEVIL”
Rated 5.00 out of 5
Price range: $599.95 through $599.99 Select options This product has multiple variants. The options may be chosen on the product page
AR-15 5.56 Rifle Upper Receiver Set “Trump 2024” Limited Edition (Color Options)
Rated 4.86 out of 5
Price range: $879.95 through $899.99 Select options This product has multiple variants. The options may be chosen on the product page
AR-15 5.56 Upper with 15 inch M-LOK Slim Profile 416R Stainless Barrel (Color Options)
Rated 5.00 out of 5
Price range: $579.95 through $599.99 Select options This product has multiple variants. The options may be chosen on the product page
Sale!
AR-15 5.56 Custom Upper “Oath Keeper”
Rated 5.00 out of 5
Original price was: $589.99.Current price is: $449.99.
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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
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AR-15 5.56 Custom M-LOK Upper – Night Hawk 16″
Rated 5.00 out of 5
$549.95
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Sale!
AR-15 5.56 Pistol Upper 10″ Quad Rail & Ported Muzzle Brake
Rated 5.00 out of 5
Original price was: $499.95.Current price is: $429.95.
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AR-15 Pistol Upper 5.56 9 inch M-LOK Slim Profile RIP Series Black
Rated 4.20 out of 5
Price range: $499.95 through $519.95 Select options This product has multiple variants. The options may be chosen on the product page
AR-15 Mil-Spec Buffer Tube Set in Anodized Clear Aluminum
$59.95
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AR-15 5.56 Complete Rifle Diamond Series M-LOK Upper Receiver “ARCHANGEL” in Anodized Blue
Rated 5.00 out of 5
$599.95
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Sale!
AR-15 Pistol Upper 5.56 7 inch M-LOK Slim Profile with MCBS
Rated 5.00 out of 5
Price range: $499.95 through $619.95 Select options This product has multiple variants. The options may be chosen on the product page