+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Reviews & Ratings for Criterion Barrels AR-15 300 Blackout 8.5in Hybrid Threaded Barrel — 1 review

(1 review)
Criterion Barrels AR-15 300 Blackout 8.5in Hybrid Threaded Barrel
Criterion Barrels AR-15 300 Blackout 8.5in Hybrid Threaded Barrel
$329.99 $313.49 Save $16.50
View Product
Write a Review
Compare (0)
1 item has been added
Add at least two items to compare

Qaulity Barrel

by Cbzzlc0429, Verified Owner from MO, United States Written on February 6, 2025
Bought this for my first 300 BLK Out build. I wanted to get a good quality barrel and this has delivered
Pros:
  • Quality made
Cons:
  • price
Would recommend: Yes
Was it helpful to you? Yes | No
Share