Bear Creek 18″ .450 Bushmaster Heavy Barrel Mid-Length Gas System


Upgrade your AR-15 with Bear Creek Arsenal’s .450 Bushmaster 18″ Parkerized Heavy Barrel featuring a mid-length gas system. This precision-crafted barrel, made from durable 4150 Chrome Moly Vanadium steel, delivers superior performance backed by a lifetime warranty.

Availability: In stock SKU: DT20-039 Category: Tags: , , ,


18″ .450 Bushmaster Barrel Mid-Length Gas System – Bear Creek

Are you looking for an Ar-15 in .450 Bushmaster? Need something with superior performance backed by a lifetime warranty, but at an unbeatable price? Look no further than Bear Creek Arsenal’s .450 Bushmaster 18″ Parkerized Heavy Barrel with a mid-length gas system! Here you get the same durable 4150 Chrome Moly Vanadium steel and precision rifling as our higher-end barrels at a fraction of the cost. Every Bear Creek Arsenal barrel undergo rigorous inspections to ensure accuracy, giving you 100% peace of mind when adding it to your next build.

But don’t just take our word for it – check out what sets Bear Creek apart on our YouTube channel! See our rifle barrels in action before investing in one (or more!) yourself. We also answer common questions and help guides so that you can make sure you’re getting exactly what you need.

And because we want you to get the best out of this incredible rifle barrel, we recommend using only Hornady Black 250 gr ammo. Get the absolute most out of your Bear Creek Arsenal AR-15 build now with this incredibly reliable .450 Bushmaster Barney! Made in the USA!

Bear Creek 18″ 450 Bushmaster Barrel Features:

  • Weight – 2.75 lbs
  • Length – 18″
  • Profile – Heavy Barrel
  • Twist – 1:24
  • Finish – Parkerized
  • Material – 4150 Chrome Moly Vanadium
  • Thread Pitch – 5/8 x 32
  • Caliber – .450 Bushmaster
  • Feed Ramp – Single Feed ramp
  • Flutes – None
  • Gas System – Mid Length
  • Gas Block – 0.750
  • Platform – AR-15
  • Made in the USA
  • SKU: DT20-039

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information:

Additional information

Weight 2 lbs
Barrel Length


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