Menu
Close
Search
Search Log In Help Center
View Cart
Daily Deals
Clearance
Close
Daily Deals
Clearance
My Account
Help Center

AR-15 300 Blackout Barrels

At Palmetto State Armory, you can find the best in AR-15 barrels chambered in 300 Blackout to finish off your dream build. We offer barrels from less than 10.5" to 16" to suit your build specs from brands such as Palmetto State Armory, Ballistic Advantage, FNH, and more. To match your barrel, check out our selection of AR-15 gas blocks, rails, and AR-15 muzzle devices. 

View as Grid View List View

Items 49-72 of 73

Page
Set Descending Direction
  1. Rosco Purebred 13.7" Barrel, .223 Wylde - SPPB137223BCGGTMNGB001

    Rosco Purebred 13.7" Barrel, .223 Wylde - SPPB137223BCGGTMNGB001

    Out of Stock
    Add to Wish List Add to Compare
  2. Rosco Bloodline AR-15 16" 300 Blackout Heavy Barrel, 1:8 Twist - BL16HB300BLK8P

    Rosco Bloodline AR-15 16" 300 Blackout Heavy Barrel, 1:8 Twist - BL16HB300BLK8P

    Out of Stock
    Add to Wish List Add to Compare
  3. Rosco Bloodline Barrel 300 Blackout 10.5" Black 1:7 Heavy Profile - BL105HB300BLK7P

    Rosco Bloodline Barrel 300 Blackout 10.5" Black 1:7 Heavy Profile - BL105HB300BLK7P

    Out of Stock
    Add to Wish List Add to Compare
  4. Rosco Manufacturing Bloodline Barrel 300 Blackout 8.2" Black 1:7 Heavy Profile BL-82-HB-300BLK-7-P

    Rosco Manufacturing Bloodline Barrel 300 Blackout 8.2" Black 1:7 Heavy Profile BL-82-HB-300BLK-7-P

    Out of Stock
    Add to Wish List Add to Compare
  5. Ballistic Advantage Performance Series Barrel 300 Blackout 10.3" Black Gas Block

    Ballistic Advantage Performance Series Barrel 300 Blackout 10.3" Black Gas Block

    Out of Stock
    Add to Wish List Add to Compare
  6. Ballistic Advantage Premium Series Barrel 300 Blackout 10.3" Black Gas Block BABL300007P Bead

    Ballistic Advantage Premium Series Barrel 300 Blackout 10.3" Black Gas Block BABL300007P Bead

    Out of Stock
    Add to Wish List Add to Compare
  7. Ballistic Advantage Modern Series Distinct Rigid Pattern Barrel 300 Blackout 10" BABL300006M Bead

    Ballistic Advantage Modern Series Distinct Rigid Pattern Barrel 300 Blackout 10" BABL300006M Bead

    Out of Stock
    Add to Wish List Add to Compare
  8. LanTac USA LLC Raven Barrel 300 Blackout 14.5" Black 1:8 AR15

    LanTac USA LLC Raven Barrel 300 Blackout 14.5" Black 1:8 AR15

    Out of Stock
    Add to Wish List Add to Compare
  9. LanTac USA LLC Raven Barrel 300 Blackout 11.5" Black 1:8 AR15

    LanTac USA LLC Raven Barrel 300 Blackout 11.5" Black 1:8 AR15

    Out of Stock
    Add to Wish List Add to Compare
  10. LanTac USA LLC Raven 300 Blackout 16" Black 1:8 AR-15 LA00242

    LanTac USA LLC Raven 300 Blackout 16" Black 1:8 AR-15 LA00242

    Out of Stock
    Add to Wish List Add to Compare
  11. Ballistic Advantage Modern Series Distinct Rigid Pattern Barrel 300 Blackout 9" 1:7

    Ballistic Advantage Modern Series Distinct Rigid Pattern Barrel 300 Blackout 9" 1:7

    Out of Stock
    Add to Wish List Add to Compare
  12. Ballistic Advantage Premium Series Barrel 300 Blackout 8.3" Black Gas Block BABL300002P Bead

    Ballistic Advantage Premium Series Barrel 300 Blackout 8.3" Black Gas Block BABL300002P Bead

    Out of Stock
    Add to Wish List Add to Compare
  13. LanTac USA LLC Raven Barrel 300 Blackout 7.5" Black 1:8 AR15

    LanTac USA LLC Raven Barrel 300 Blackout 7.5" Black 1:8 AR15

    Out of Stock
    Add to Wish List Add to Compare
  14. LBE Unlimited 16" Pistol Length 1:8 .300 Blackout AR-15 Barrel, Black Nitride - ARBAR300PL-16

    LBE Unlimited 16" Pistol Length 1:8 .300 Blackout AR-15 Barrel, Black Nitride - ARBAR300PL-16

    Out of Stock
    Add to Wish List Add to Compare
  15. Ballistic Advantage Modern Series .300 Blackout 10.5" Threaded Barrel, QPQ Corrosion Resistant - BABL300008M

    Ballistic Advantage Modern Series .300 Blackout 10.5" Threaded Barrel, QPQ Corrosion Resistant - BABL300008M

    Out of Stock
    Add to Wish List Add to Compare
  16. Noveske .300 Blackout 10.5" Lo-Pro Gas Block Barrel, Bead Blasted - 7000034

    Noveske .300 Blackout 10.5" Lo-Pro Gas Block Barrel, Bead Blasted - 7000034

    Out of Stock
    Add to Wish List Add to Compare
  17. Noveske .300 Blackout 8.5" Lo-Pro Gas Block Barrel, Bead Blasted - 7000031

    Noveske .300 Blackout 8.5" Lo-Pro Gas Block Barrel, Bead Blasted - 7000031

    Out of Stock
    Add to Wish List Add to Compare
  18. Yankee Hill Machine .300 Blackout 16" Threaded Carbine Barrel, Melonite QPQ - 70-T

    Yankee Hill Machine .300 Blackout 16" Threaded Carbine Barrel, Melonite QPQ - 70-T

    Out of Stock
    Add to Wish List Add to Compare
  19. Yankee Hill Machine .300 Blackout 16" Threaded/Fluted Carbine Barrel, Melonite QPQ - 70-TF

    Yankee Hill Machine .300 Blackout 16" Threaded/Fluted Carbine Barrel, Melonite QPQ - 70-TF

    Out of Stock
    Add to Wish List Add to Compare
  20. Ballistic Advantage AR-15 Barrel .300 Blackout 8.3" Pistol-Length, QPQ - BABL300002F

    Ballistic Advantage AR-15 Barrel .300 Blackout 8.3" Pistol-Length, QPQ - BABL300002F

    Rating:
    100%
    (2)
    Out of Stock
    Add to Wish List Add to Compare
  21. BSF 10.5" 300 Blackout Carbon Fiber AR-15 Upper Jacketed Barrel

    BSF 10.5" 300 Blackout, Carbon Fiber Jacketed Barrel, 1:8 Twist, Red/Black -RP1510B001

    Out of Stock
    Add to Wish List Add to Compare
  22. Blue/Black BSF 10.5" 300 Blackout Pistol Gas 1:8 Twist Barrel

    BSF 10.5" 300 Blackout Pistol Gas 1:8 Twist Barrel, Blue/Black - BP1510B001

    Out of Stock
    Add to Wish List Add to Compare
  23. bsf 10.5" blackout pistol gas 1:8 twist barrel gray and black

    BSF 10.5" 300 Blackout Pistol Gas 1:8 Twist Barrel, Gray/Black - P1510B001

    Out of Stock
    Add to Wish List Add to Compare
  24. 300 blackout upper pistol gas system gray and black

    BSF 16" 300 Blackout Pistol Gas 1:8 Twist, Gray/Black - P1516B002

    Out of Stock
    Add to Wish List Add to Compare
View as Grid View List View

Items 49-72 of 73

Page
Set Descending Direction
Shop By
Shopping Options
Stock
Barrel Length
Preferred Vendor
Caliber
Brand
Price
Apply

Looking for something more specific?

shop psa products
shop psa aac ammo
shop magpul products
shop glock products
shop sig sauer
shop smith and wesson