Bear Creek Arsenal 5.56 NATO 16 Inch AR-15 Barrel – Parkerized Government Profile – Midlength Gas

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Bear Creek Arsenal 5.56 NATO 16 Inch AR-15 Barrel – Parkerized Government Profile – Midlength Gas

The BC-15 16″ Parkerized M4 barrel with a 1:7 twist is optimized for accuracy and durability, while the mid-length gas system ensures smooth and consistent operation. The rifle is chambered in 5.56 NATO, making it compatible with a wide range of ammunition options. Whether you’re a competitive shooter or a law enforcement professional, the BC-15 is a top-performing choice for your needs.

The barrel material, 4150 Chrome Moly Vanadium, is known for its durability and resistance to wear. The parkerized finish adds an extra layer of protection against corrosion and other types of damage. With a length of 16 inches, this barrel is well-suited for a variety of shooting applications.

The government profile AR15 barrel is a type of barrel used on military and law enforcement rifles. It is known for its blend of weight savings and durability during automatic fire, making it a popular choice for those who need a reliable firearm in high-stress situations.

The mid-length gas system is an excellent choice for shooters who want a reliable and consistent gas flow with a lower recoil impulse than a carbine gas system. This system is ideal with barrels with a length of 13.7″ or more but also offers unrivaled performance on longer barrels. The 1:7 twist rate ensures that your shots are accurate, even at longer distances ideally with heavier bullets.

The Bear Creek Arsenal AR-15 16″ 5.56 Government profile barrel is an excellent choice for anyone looking to build or upgrade their AR15 rifle. With superior performance and a lifetime warranty, you can trust this barrel to deliver the results you need.

Bear Creek Arsenal Warranty

The Bear Den Guarantee is a limited lifetime warranty, designed to give you peace of mind knowing that your purchase is protected, covering all defects, whether it be a flaw in the materials used or a missed step in workmanship.

What Do I Need to Install This?

The tools you’ll need will be a vise, a barrel wrench, and a torque wrench. Use the video below as a step-by-step guide on how to properly install this barrel to your AR-15 upper receiver.


  • Brand: Bear Creek Arsenal
  • Model: 5.56 16 Inch AR-15 Barrel
  • MPN: 1343-B556MM41617(P)
  • Fit: AR-15
  • Barrel Length: 16″
  • Caliber: 5.56
  • Color: Black
  • Material: 4150 Chrome Moly Vanadium
  • Finish: Parkerized
  • Type: Barrel
  • Subcategory: Rifle Barrels
  • Profile: Government
  • Thread Pitch: 1/2×28
  • Twist: 1:7
  • Gas Port Size: 0.750
  • Gas System Length: Mid-Length
  • Weight: 1.75 lbs

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

How do I take advantage of the Bear Den Guarantee?

No registration for your Bear Creek Arsenal product is required. If you believe repair work or service is required for your BCA-purchased product (directly from BCA or from AT3), please submit an RMA request from BCA’s website directly. Here is a how-to video on the procedure to submit an RMA.

If you require additional help processing your warranty, please reach out to BCA’s customer service desk at and they can help guide you further.

Remove all accessories/attachments before returning item. Extra fees may be charged if accessories are not removed.

For more details on the Bear Den Guarantee, please review BCA’s terms & conditions page.

What is the Limited Lifetime warranty aka Bear Den Guarantee designed to cover?

This Bear Den Guarantee is designed to cover any possible manufacturing defects and issues caused by assembly.

What voids my Bear Den Guarantee?

  • Cutting, modifying, or misuse of a BCA product
  • Having another manufacturer or gunsmith work on a BCA product
  • Damage caused by using high velocity or high-pressure ammunition, tracer ammunition, or hand-loaded ammunition
  • Normal wear and tear

Once BCA receives my warranty return, what can I expect?

Please allow BCA’s warranty team 1-14 business days after your product arrives at the manufacturing facility to assess and replace. Once assesed, BCA will email you what was done to it and provide tracking for the return of your product.

I painted my BCA product, what happens if I need to send it in for repair?

The product you will receive back will be repaired but BCA cannot ensure that your customizations will be able to be maintained. For example, if your barrel is cerakoted from an outside source and BCA needs to polish the feedramps, it would be sent back as is after repair.

Terms and Limitations

BCA reserves the right to reject any returned product and to decline to issue any reimbursement if in our sole judgment the returned product has been damaged by you or otherwise while in your custody or care.

BCA reserves the right to repair, replace, or issue credit for the returned product regardless of the requested outcome.

No return payment will issue to you until BCA has received, processed, and accepted your returned product, packaging, proof of purchase, and return tag.

Typical processing time is 1-14 business days from the date BCA receives your return.

Check out the rest of BCA’s FAQ on Returns and Warranties HERE