Skip to main content
HalloweenPetLawn & GardenTruck & AutomotiveSporting GoodsHorseFarm & RanchClothingLivestockPet & Animal PharmacyToolsPoultryFencing & GatesHome ImprovementOutdoor LivingHeating & CoolingHome Decor & FurnitureOutdoor Power EquipmentTrailers & TowingBoots & ShoesWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Sporting Goods
  4. /
  5. Shooting
  6. /
  7. Shooting Accessories & Parts
  8. /
  9. Gun Parts
  10. /

  11. Diamondback 5.56x45mm NATO DB Barrel, 7 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

  1. Home
  2. /
  4. /
  5. Gun Parts

Diamondback 5.56x45mm NATO DB Barrel, 7 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

Shop all Diamondback

  • New Arrival

  • Online Only

Diamondback 5.56x45mm NATO DB Barrel, 7 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

Item # 6113900

Diamondback Diamondback 5.56x45mm NATO DB Barrel, 7 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
Diamondback Diamondback 5.56x45mm NATO DB Barrel, 7 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
$95.99

Add this item to unlock free delivery!

Notice:
  • This Item cannot be shipped to AK, CA, CT, DE, DC, HI, IL, LA, MD, MA, NJ, NY, NC, RI, SC, WA.
  • This item is non-returnable.
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all Diamondback

  • New Arrival

  • Online Only

Diamondback 5.56x45mm NATO DB Barrel, 7 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

Item # 6113900

Diamondback Diamondback 5.56x45mm NATO DB Barrel, 7 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
Diamondback Diamondback 5.56x45mm NATO DB Barrel, 7 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

$95.99
financeCard Logo
New Cardmembers earn a $20 Reward‡ with qualifying purchase of $20 or more plus earn 5% in Rewards+ on this purchase. Valid through 8/9/26.

Add this item to unlock free delivery!

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Notice:
  • This Item cannot be shipped to AK, CA, CT, DE, DC, HI, IL, LA, MD, MA, NJ, NY, NC, RI, SC, WA.
  • This item is non-returnable.
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Replace your barrel, or finish your build with this 7" black nitride barrel from Diamondback! Made of 4150 CMV with a pistol-length gas system.

  • 7" black nitride barrel from Diamondback
  • Replace your barrel or finish your build with this option
  • Made from 4150 CMV steel
  • Uses a pistol-length gas system
  • Barrel Type: Pistol Length Heavy Profile
  • Caliber: 5.56x45mm NATO
  • Color: Black
  • Finish: Nitride
  • Length: 7"
  • Length Range: 6"-10"
  • Material: Chrome Moly Vanadium
  • Twist: 1:8"
BrandDiamondback
Country of OriginMade in USA
Ammunition CapacityN/A
Gun CompatibilityRifles
Caliber5.56x45mm NATO
Gun Part TypeBarrels
Primary ColorBlack
Manufacturer Part Number556P7H50B8R
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. Diamondback 5.56x45mm NATO DB Barrel, 16 in., Carbine-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 5.56x45mm NATO DB Barrel, 16 in., Carbine-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

    $115.99
  2. Diamondback 5.56x45mm NATO DB Barrel, 16 in., M4 Contour, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 5.56x45mm NATO DB Barrel, 16 in., M4 Contour, Black Nitride, 4150 Chrome Moly Vanadium Steel
  3. Diamondback 300 Blackout DB Barrel, 16 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 300 Blackout DB Barrel, 16 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

    $126.99
  4. Diamondback 300 Blackout DB Barrel, 10 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 300 Blackout DB Barrel, 10 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
  5. Diamondback 300 Blackout DB Barrel, 8.50 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 300 Blackout DB Barrel, 8.50 in., Pistol-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

    $97.99
  6. Diamondback 7.62x39mm DB Barrel, 7 in., Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 7.62x39mm DB Barrel, 7 in., Black Nitride, 4150 Chrome Moly Vanadium Steel

    $98.99
  7. Diamondback 5.56x45mm NATO DB Barrel, 16 in., Black Nitride, Chrome Moly Vanadium Steel, 556C16H50B8NYR
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 5.56x45mm NATO DB Barrel, 16 in., Black Nitride, Chrome Moly Vanadium Steel, 556C16H50B8NYR

    $115.99
  8. Diamondback 7.62x39mm DB Barrel, 10 in., Carbine-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 7.62x39mm DB Barrel, 10 in., Carbine-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

    $111.99
  9. Diamondback 7.62x39mm DB Barrel, 16 in., Carbine-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 7.62x39mm DB Barrel, 16 in., Carbine-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

    $126.99
  10. Diamondback 308 Win DB Barrel, 13.50 in., Mid-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 308 Win DB Barrel, 13.50 in., Mid-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

    $157.99
  11. Diamondback 308 Win DB Barrel, 18 in., Rifle-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 308 Win DB Barrel, 18 in., Rifle-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

    $153.99
  12. Diamondback 6.5 Grendel DB Barrel, 18 in., Mid-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 6.5 Grendel DB Barrel, 18 in., Mid-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

Items You May Like

  1. Diamondback 308 Win DB Barrel, 16 in., Mid-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 308 Win DB Barrel, 16 in., Mid-Length, Black Nitride, 4150 Chrome Moly Vanadium Steel

    $160.99
  2. Rugged Suppressor 5.56x45mm NATO Front Cap, Black
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Rugged Suppressor 5.56x45mm NATO Front Cap, Black

    $65.99
  3. TacFire Pistol Kit for AR-Pistol Platform, 5.56x45mm NATO, Black, Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    TacFire Pistol Kit for AR-Pistol Platform, 5.56x45mm NATO, Black, Steel

    $356.99
  4. TacFire Pistol Buffer Tube, 5.5 oz.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    TacFire Pistol Buffer Tube, 5.5 oz.

    $25.99
  5. TacFire AR Build Kit for AR-Platform, 5.56x45mm NATO, 7.50 in. Barrel, Black
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    TacFire AR Build Kit for AR-Platform, 5.56x45mm NATO, 7.50 in. Barrel, Black

    $362.99
  6. TacFire Stripped Upper Receiver for AR-15, 5.56x45mm NATO, Black Anodized
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    TacFire Stripped Upper Receiver for AR-15, 5.56x45mm NATO, Black Anodized

    $78.99
  7. Rosco Manufacturing Gas Tube, Pistol Length, Black Nitride
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Rosco Manufacturing Gas Tube, Pistol Length, Black Nitride

    $20.99
  8. Faxon Firearms 5.56 NATO Duty Series Barrel, 16 in., 1/2 in. x 28 Thread, Black Nitride, 4150 CMV
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Faxon Firearms 5.56 NATO Duty Series Barrel, 16 in., 1/2 in. x 28 Thread, Black Nitride, 4150 CMV

    $170.99
  9. Ruger 10 Round 45 ACP Magazine for Ruger American Pistol, Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Ruger 10 Round 45 ACP Magazine for American Pistol, Stainless Steel

    $34.99
  10. Huxwrx Piston, 1/2 in. x 28 Thread, Steel, Black Nitride
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Huxwrx Piston, 1/2 in. x 28 Thread, Steel, Black Nitride

    $72.99
  11. TacFire Pistol Upper Assembly for AR-Platform, 5.56x45mm NATO, 5 in. Black Nitride Barrel, Black Anodized, 7075-T6 Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    TacFire Pistol Upper Assembly for AR-Platform, 5.56x45mm NATO, 5 in. Black Nitride Barrel, Black Anodized, 7075-T6 Aluminum

    $379.99
  12. TacFire Gas Tube with Pin, Pistol Length, Silver, Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    TacFire Gas Tube with Pin, Pistol Length, Silver, Steel

    $6.99

Customers Also Bought

  1. CMC Triggers 5.56 NATO AR Barrel for AR-15, 10.50 in., 1/2 in. x 28 Thread, Button Rifled, Black Nitride, Chrome Moly Vanadium
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CMC Triggers 5.56 NATO AR Barrel for AR-15, 10.50 in., 1/2 in. x 28 Thread, Button Rifled, Black Nitride, Chrome Moly Vanadium

    $184.99
  2. Lead & Steel 5.56 NATO AR9 Barrel, 7.50 in., 1/2 in. x 28 Thread, Government Profile, Black Nitride, Chrome Moly Vanadium
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Lead & Steel 5.56 NATO AR9 Barrel, 7.50 in., 1/2 in. x 28 Thread, Government Profile, Black Nitride, Chrome Moly Vanadium
  3. Diamondback 6.5 Creedmoor DB Barrel, 20 in., Rifle-Length, Fluted, Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 6.5 Creedmoor DB Barrel, 20 in., Rifle-Length, Fluted, Stainless Steel

    $202.99
  4. Faxon Firearms 9mm Luger Duty Series Barrel for Sig P365 XL, Black Nitride, Chrome Moly Vanadium
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Faxon Firearms 9mm Luger Duty Series Barrel for Sig P365 XL, Black Nitride, Chrome Moly Vanadium

    $89.99
  5. Lead & Steel 9mm Luger AR9 Barrel, 4.50 in., 1/2 in. x 28 Thread, Black Nitride, Chrome Moly Vanadium
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Lead & Steel 9mm Luger AR9 Barrel, 4.50 in., 1/2 in. x 28 Thread, Black Nitride, Chrome Moly Vanadium
  6. Faxon Firearms 9mm Luger Duty Series Barrel for Sig P365 XL, 1/2 in. x 28 Thread, Black Nitride, Chrome Moly Vanadium
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Faxon Firearms 9mm Luger Duty Series Barrel for Sig P365 XL, 1/2 in. x 28 Thread, Black Nitride, Chrome Moly Vanadium
  7. Lead & Steel 9mm AR9 Barrel, 5.50 in., 1/2 in. x 28 Thread, Straight Profile, Black Nitride, Chrome Moly Vanadium
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Lead & Steel 9mm AR9 Barrel, 5.50 in., 1/2 in. x 28 Thread, Straight Profile, Black Nitride, Chrome Moly Vanadium
  8. CMC Triggers 5.56 NATO Barrel for AR-15, 7.50 in., 1/2 in. x 28 Thread, Pistol Length, Chrome Moly Vanadium Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CMC Triggers 5.56 NATO Barrel for AR-15, 7.50 in., 1/2 in. x 28 Thread, Pistol Length, Chrome Moly Vanadium Steel

    $162.99
  9. Lead & Steel 300 Blackout AR9 Barrel, 16 in., 5/8 in. x 24 Thread, Government Profile, Black Nitride, Chrome Moly Vanadium
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Lead & Steel 300 Blackout AR9 Barrel, 16 in., 5/8 in. x 24 Thread, Government Profile, Black Nitride, Chrome Moly Vanadium

    $117.99
  10. Diamondback 223 Wylde Barrel, 18 in., 1/2 in. x 28 Thread, Black QPQ, Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Diamondback 223 Wylde Barrel, 18 in., 1/2 in. x 28 Thread, Black QPQ, Stainless Steel

    $122.99
  11. Faxon Firearms 5.56 NATO Pencil Duty Series Barrel for AR-15, 10.5 in., 1/2 in. x 28 Thread, Black Nitride, 4150 CMV
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Faxon Firearms 5.56 NATO Pencil Duty Series Barrel for AR-15, 10.5 in., 1/2 in. x 28 Thread, Black Nitride, 4150 CMV
  12. Faxon Firearms 5.56 NATO Gunner Duty Series Barrel for AR-15, 13.90 in., 1/2 in. x 28 Thread, Black Nitride, 4150 CMV
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Faxon Firearms 5.56 NATO Gunner Duty Series Barrel for AR-15, 13.90 in., 1/2 in. x 28 Thread, Black Nitride, 4150 CMV

    $163.99

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.