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Browse 5.56×45mm NATO Barrels for sale at the lowest prices online.

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FN America .223 Rem/5.56 18" Rifle Barrel, Chrome Lined Black Phosphate - 36423 - Fnh

FN America .223 Rem/5.56 18" Rifle Barrel, Chrome Lined Black Phosphate - 36423

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

FN America AR-15 16" Barrel 556NATO 1:7 Twist Button Broached, Black - 20100039 - Fnh

FN America AR-15 16" Barrel 556NATO 1:7 Twist Button Broached, Black - 20100039

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Wilson Combat 5.56 18" Match Grade 6 Groove Barrel, Matte Bead Blasted Stainless - TR-556RCRG18FT8 - Wilson Combat

Wilson Combat 5.56 18" Match Grade 6 Groove Barrel, Matte Bead Blasted Stainless - TR-556RCRG18FT8

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Ballistic Advantage Modern AR-15 Barrel -Unleash Precision in Sleek Black Design - BABL556003M - Ballistic Advantage

Ballistic Advantage Modern AR-15 Barrel -Unleash Precision in Sleek Black Design - BABL556003M

Ballistic Advantage

Diamondback Firearms AR-15 Barrel, 223 Wylde 18" 1:7 Twist, Black Nitride Finish - 223WM18M50B7R - Diamondback

Diamondback Firearms AR-15 Barrel, 223 Wylde 18" 1:7 Twist, Black Nitride Finish - 223WM18M50B7R

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

CMMG .223 Rem/5.56 16.1" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 55DC70A - Cmmg

CMMG .223 Rem/5.56 16.1" Medium Taper Barrel Sub-Assembly, Salt Bath Nitride Black - 55DC70A

$201.49 $119.35

CMMG .223 Rem/5.56 16.1" Medium Taper Barrel Sub-Assembly, Bead Blast - 55D590A - Cmmg

CMMG .223 Rem/5.56 16.1" Medium Taper Barrel Sub-Assembly, Bead Blast - 55D590A

$249.99 $152.99

CMC Barrels 10.5" .223 Wylde Carbine Length AR-15 SOCOM Profile Barrel - CMC-BBL-223-004

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Anderson Manufacturing M4 Contour Carbine-Length Barrel 5.56x45mm 16" - Anderson Manufacturing

Anderson Manufacturing M4 Contour Carbine-Length Barrel 5.56x45mm 16"

Anderson Manufacturing

Seekins Precision .223 Wylde 16" Barrel, 1:8 Twist - 10120017 - Seekins

Seekins Precision .223 Wylde 16" Barrel, 1:8 Twist - 10120017

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

FN America AR-15 16" Barrel 1:7 Twist Button Broached, Black - 20100046 - Fnh

FN America AR-15 16" Barrel 1:7 Twist Button Broached, Black - 20100046

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

CMC SOCOM Carbine-Length Button Rifled Barrel 5.56x45mm 10.50", Black - Cmc

CMC SOCOM Carbine-Length Button Rifled Barrel 5.56x45mm 10.50", Black

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Diamondback Firearms 223 Remington 556NATO 10" Black 1:8 Carbine Length Gas System 556C10M50B8R - Diamondback

Diamondback Firearms 223 Remington 556NATO 10" Black 1:8 Carbine Length Gas System 556C10M50B8R

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556C16M50B8R - Diamondback

Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 556C16M50B8R

LBE Unlimited Barrel 5.56x45mm 14.50" - Long-Range Precision with Durable Black - BAR145M - Lbe

LBE Unlimited Barrel 5.56x45mm 14.50" - Long-Range Precision with Durable Black - BAR145M

$314.99 $202.56

FN America .223 Rem/5.56 16" Carbine Barrel, Chrome Lined Black Phosphate - 36421 - Fnh

FN America .223 Rem/5.56 16" Carbine Barrel, Chrome Lined Black Phosphate - 36421

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

FN America AR-15/M4 Barrel - Unleash the Power in Matte Black - 20-100044 - Fnh

FN America AR-15/M4 Barrel - Unleash the Power in Matte Black - 20-100044

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

FN America AR-15/M16 Barrel - Tactical Precision in Sleek Black Finish - 20-100038 - Fnh

FN America AR-15/M16 Barrel - Tactical Precision in Sleek Black Finish - 20-100038

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

CMMG .223 Rem/5.56 16.1" M4 Barrel Sub-Assembly, Salt Bath Nitride Black - 55DE10A - Cmmg

CMMG .223 Rem/5.56 16.1" M4 Barrel Sub-Assembly, Salt Bath Nitride Black - 55DE10A

$269.95 $172.47

Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 10.50", Black - Tactical Performance Upgrade - 10.5COMBATV2-CHF-5.56 - Sons Of Liberty Gun Works

Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 10.50", Black - Tactical Performance Upgrade - 10.5COMBATV2-CHF-5.56

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Sons Of Liberty Gun Works

Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 16", Black - Long-Range Precision - 16COMBATV2-CHF-5.56 - Sons Of Liberty Gun Works

Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 16", Black - Long-Range Precision - 16COMBATV2-CHF-5.56

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Sons Of Liberty Gun Works

Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 14.50", Black - Durable and Reliable - 14.5COMBATV2-556 - Sons Of Liberty Gun Works

Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 14.50", Black - Durable and Reliable - 14.5COMBATV2-556

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Sons Of Liberty Gun Works

Faxon Firearms Duty HBAR Button Rifled Barrel 5.56x45mm 16", Black - Faxon Firearms

Faxon Firearms Duty HBAR Button Rifled Barrel 5.56x45mm 16", Black

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Ballistic Advantage Performance Barrel 5.56x45mm 13.70", Black - Compact and Efficient Barrel - BABL556036F - Ballistic Advantage

Ballistic Advantage Performance Barrel 5.56x45mm 13.70", Black - Compact and Efficient Barrel - BABL556036F

$279.99 $143.69

Ballistic Advantage

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