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. Q LLC 8.6 Blackout Fixed Barrel Assembly, 8 in., Bead Blasted Matte, Stainless Steel

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

Q LLC 8.6 Blackout Fixed Barrel Assembly, 8 in., Bead Blasted Matte, Stainless Steel

Shop all Q LLC

  • New Arrival

Q LLC 8.6 Blackout Fixed Barrel Assembly, 8 in., Bead Blasted Matte, Stainless Steel

Item # 612221699

Q LLC Q LLC 8.6 Blackout Fixed Barrel Assembly, 8 in., Bead Blasted Matte, Stainless Steel
Q LLC Q LLC 8.6 Blackout Fixed Barrel Assembly, 8 in., Bead Blasted Matte, Stainless Steel
$515.99
or
or

Add this item to unlock free delivery!

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all Q LLC

  • New Arrival

Q LLC 8.6 Blackout Fixed Barrel Assembly, 8 in., Bead Blasted Matte, Stainless Steel

Item # 612221699

Q LLC Q LLC 8.6 Blackout Fixed Barrel Assembly, 8 in., Bead Blasted Matte, Stainless Steel
Q LLC Q LLC 8.6 Blackout Fixed Barrel Assembly, 8 in., Bead Blasted Matte, Stainless Steel

$515.99
or
or
financeCard Logo
$43/mo.†  suggested payments with 12 Months Financing or earn $25 in Rewards+ on this purchase.

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.

​
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Upgrade, customize or enhance your firearm setup with the Q LLC 8.6 Blackout Fixed Barrel Assembly, designed for shooters looking to personalize performance, fit and functionality. Whether you're building a new platform, replacing components or making upgrades to an existing setup, this Q LLC 8.6 Blackout Fixed Barrel Assembly provides a practical solution for a variety of applications.

  • Caliber: 8.6 Blackout
  • Finish: Bead Blasted Matte
  • Length: 8"
  • Material: Stainless Steel
  • Twist: 1:3"
  • Weight: 1.40 lbs
BrandQ LLC
Country of OriginMade in USA
Ammunition CapacityN/A
Caliber8.6 Blackout
Gun Part TypeBarrels
Product Weight1.40 lb.
Manufacturer Part NumberACCFIXBARREL8.68INCH
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. Q LLC 8.6 Blackout Fixed Barrel Assembly, 16 in., Bead Blasted Matte, Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC 8.6 Blackout Fixed Barrel Assembly, 16 in., Bead Blasted Matte, Stainless Steel

    $515.99
  2. Q LLC 5.56mm Mini Fix Barrel, 12 in., Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC 5.56mm Mini Fix Barrel, 12 in., Stainless Steel

    $515.99
  3. Q LLC Flash Hider, 8.6 Blackout, 1/2 in. x 28 Thread, 2.13 in. OAL, Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Flash Hider, 8.6 Blackout, 1/2 in. x 28 Thread, 2.13 in. OAL, Steel

    $125.99
  4. Q LLC Flash Hider, 8.6 Blackout, 5/8 in. x 24 Thread, 2.13 in. OAL, Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Flash Hider, 8.6 Blackout, 5/8 in. x 24 Thread, 2.13 in. OAL, Steel

    $125.99
  5. Q LLC 300 Blackout Honey Badger Barrel Assembly, 7 in., 5/8 in. x 24 Thread, Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC 300 Blackout Honey Badger Barrel Assembly, 7 in., 5/8 in. x 24 Thread, Stainless Steel

    $515.99
  6. Q LLC Cherry Bomb Muzzle Brake, 8.6 Blackout, 1.64 in. OAL, 17-4 Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Cherry Bomb Muzzle Brake, 8.6 Blackout, 1.64 in. OAL, 17-4 Stainless Steel

    $100.99
  7. Q LLC Handstop, Black, Polymer
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Handstop, Black, Polymer

    $20.99
  8. Q LLC Cherry Bomb Muzzle Brake, 8.6 Blackout, 5/8 in. x 24 Thread, 2.27 in. OAL, Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Cherry Bomb Muzzle Brake, 8.6 Blackout, 5/8 in. x 24 Thread, 2.27 in. OAL, Steel

    $100.99
  9. Q LLC Shorty Stock Buffer, Steel, Black
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Shorty Stock Buffer, Steel, Black

    $75.99
  10. Q LLC Vertical Grip, Black, Polymer
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Vertical Grip, Black, Polymer
  11. Q LLC Q-Sert Handguard for The Fix, 7 in., Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Q-Sert Handguard for The Fix, 7 in., Aluminum

    $350.99
  12. Q LLC Q-Sert Handguard for The Fix, 11 in., Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Q-Sert Handguard for The Fix, 11 in., Aluminum

    $400.99

Items You May Like

  1. Q LLC Honey Badger Stock Assembly, Gray
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Honey Badger Stock Assembly, Gray

    $350.99
  2. Q LLC Q-Sert AR Handguard, 9 in., Black Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Q-Sert AR Handguard, 9 in., Black Aluminum

    $400.99
  3. Q LLC Q-Sert AR Handguard, 15 in., Clear Coat Anodized Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Q-Sert AR Handguard, 15 in., Clear Coat Anodized Aluminum

    $425.99
  4. Q LLC Barricade Stop, Small, Black, Polymer
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Barricade Stop, Small, Black, Polymer

    $15.99
  5. Q LLC Plan-B Silencer Mount, 17-4 Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Plan-B Silencer Mount, 17-4 Stainless Steel

    $150.99
  6. Q LLC Q-Sert AR Handguard, 6 in., Clear Coat Anodized Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Q-Sert AR Handguard, 6 in., Clear Coat Anodized Aluminum

    $350.99
  7. Q LLC Shorty Stock for AR/M4, Gray, Polymer
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Shorty Stock for AR/M4, Gray, Polymer

    $350.99
  8. Q LLC Plan-B Silencer Mount, Steel, Black
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Plan-B Silencer Mount, Steel, Black

    $150.99
  9. Q LLC Honey Badger Recoil Spring for AR-15, Silver, Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Honey Badger Recoil Spring for AR-15, Silver, Stainless Steel

    $10.99
  10. Q LLC Q-Sert Picatinny Rail, 2.60 in. Long, Black, Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Q-Sert Picatinny Rail, 2.60 in. Long, Black, Aluminum

    $30.99
  11. Q LLC Gas Block, Adjustable, .750 in., Silver, Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Gas Block, Adjustable, .750 in., Silver, Steel

    $120.99
  12. Q LLC Fix Extended Bolt Handle, Black, Nitride, 17-4 Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Fix Extended Bolt Handle, Black, Nitride, 17-4 Stainless Steel

    $125.99

Customers Also Bought

  1. Q LLC 30 Cal Plan-B Omega Suppressor Mount for Q LLC Cherry Bomb Brake, 1.375 in. x 24 Thread, Copper, 17-4 Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC 30 Cal Plan-B Omega Suppressor Mount for Cherry Bomb Brake, 1.375 in. x 24 Thread, Copper, 17-4 Stainless Steel

    $150.99
  2. Q LLC ARCA Swiss Q-Sert Plate, 7075 Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC ARCA Swiss Q-Sert Plate, 7075 Aluminum

    $40.99
  3. Q LLC 9mm Erect9r Direct Mount, 1/2 in. x 28 Thread, 17-4 Stainless Steel
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC 9mm Erect9r Direct Mount, 1/2 in. x 28 Thread, 17-4 Stainless Steel

    $70.99
  4. Q LLC Q-Sert Sling Mount, 7075-T6 Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Q-Sert Sling Mount, 7075-T6 Aluminum

    $60.99
  5. Q LLC Hardass Butt Pad, Black/Blue
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Hardass Butt Pad, Black/Blue

    $150.99
  6. Q LLC Plan-B Tirant Mount, Steel, Copper
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Plan-B Tirant Mount, Steel, Copper

    $150.99
  7. Q LLC Plan-B Ghost Mount, Steel, Copper
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Plan-B Ghost Mount, Steel, Copper

    $150.99
  8. Q LLC Deluxe Q-Sert Hand Stop, Silver Anodized, Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Deluxe Q-Sert Hand Stop, Silver Anodized, Aluminum

    $100.99
  9. Q LLC Handguard for Honey Badger, M-LOK, 6 in., Aluminum, Gray
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Handguard for Honey Badger, M-LOK, 6 in., Aluminum, Gray

    $225.99
  10. Q LLC Handguard Kit for Honey Badger, M-LOK, 6 in., Aluminum, Gray
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Handguard Kit for Honey Badger, M-LOK, 6 in., Aluminum, Gray

    $300.99
  11. Q LLC The Fix Top Rail, 20 in. Long, Clear Anodized, Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC The Fix Top Rail, 20 in. Long, Clear Anodized, Aluminum

    $150.99
  12. Q LLC Deluxe Q-Sert Barricade Stop, Large, Silver Anodized, Aluminum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Q LLC Deluxe Q-Sert Barricade Stop, Large, Silver Anodized, Aluminum

    $60.99

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.