The Bear Creek Arsenal 9mm 8.5” barrel is a quality upgrade to any rifle and a great component for any AR build. The Bear Creek heavy barrel is an 8.5-inch barrel with a pistol length gas system chambered in 9mm and offers unmatched durability, reliability and accuracy. It is engineered to withstand heavy use and abuse for long term durability with a 4150 steel barrel and a parkerized finish for a long service life and optimal reliability. The Bear Creek Arsenal features a 1:8 twist rate in a 9mm barrel with a .300 Blackout feed ramp for optimal performance and accuracy. In short, Bear Creek Arsenal 9mm 8.5" Mid-Weight Barrel offers the durability and performance enhancing features that one would expect from a high-grade carbine. This barrel clearly defines Bear Creek’s commitment to providing a durable, accurate and reliable barrel. It is ideal for the shooting enthusiast looking for a strong, high performance barrel for their next build. 

- Manufactured by Bear Creek Arsenal
- .300 Blackout
- 8.5inch barrel
- 4150 steel barrel
- Parkerized
- 1:8 twist rate
- .300 Blackout feed ramp
- Pistol length gas system

Bear Creek Arsenal products complete their entire production cycle at their Sanford, North Carolina facilities. Drilling, reaming, rifling, and turning are all performed on CNC machines under ISO-9002 Quality Systems, allowing Bear Creek to precisely control each step of manufacturing. Careful inspection ensures each barrel meets their stringent standards before shipping.

Barrel Coating: Parkerized
Barrel Contour: Heavy
Barrel Length: 8.5
Barrel Lining: Parkerized
Barrel Material: 4150 Chrome Moly Steel
Brand: Bear Creek Arsenal
Caliber Gauge: 300 Blackout
Feed Ramps: .300 Blackout
Gas Seat Diameter: .750
Gas System Length: Pistol
Platform: AR-15
Thread Pattern: 5/8 X 24
Twist Rate: 1:8

NOTE: Limit 2 per household. Quantities exceeding 2 will not allow checkout.

MPN#: 2041-B300PMW8.518P

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Comments (3)

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Add your comment here... The Bear Creek Arsenal features a 1:8 twist rate in a 9mm barrel with a .300 Blackout feed ramp for optimal performance and accuracy... so is it 9mm or 300blk ?

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I ran some of their barrels in x39 and blackout. they were very accurate and looked great even after 1000 rounds etc.

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If it was stainless, I'd bite.

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