You have no items in your shopping cart.

DSG Duty Series 16" 5.56mm 4150CMV Barrel - Mid-length Gas - 1:7 Twist - QPQ Coated - MPI/HPT

Manufacturer: DSG Arms
SKU: DSG-4001-0003
Manufacturer part number: DSG-4001-0003
UPC: 842361108779
Out of stock - Currently No Backorders
+ -

Login for Special Pricing

If you want to equip your AR15 rifle with a premium quality barrel, check out our DSG duty-grade 16” barrel with a mid-length .750” gas block that weighs 28 oz. We aim for perfection, quality, and durability. To ensure you get all three, we have designed our barrel and barrel extension with 4150 chrome moly vanadium steel and coated with QPQ with its barrel extension coated with nickel boron.

When combined, they work together to increase corrosion resistance, improve lifespan, decrease friction, decrease the likelihood of a malfunctioning weapon, decrease wear and tear, and dispel heat better. We have performed rigorous tests to make sure no tiny fractures exist in the metal. We are proud to say that our barrel has successfully passed the HP and MPI testing.

Equipped with 5.56mm chamber and 1:7 twist rate, our barrel reduces the pressure and stabilizes the bullet when you fire your rifle in the field. Our government profile barrel also features several benefits such as decreased overheating and bending and increased stability.

For stylistic and proper functioning purposes, our barrel features an 11-degree recessed target crown. Our barrel also features 1/2x28 muzzle threads, button rifled, and M4 feed ramps. and However, we have not added a dimple to the barrel. By adding the dimple, it would penetrate through the corrosion resistant surface. We also wanted to provide you with an affordable barrel for your rifle.


AR-15 Duty-Grade 16" 5.56mm 4150CMV Barrel - QPQ Coated - MPI/HPT


  • 4150 Chrome Moly Vanadium steel
  • QPQ coated barrel
  • Nickel Boron coated barrel extension
  • M4 feed ramps
  • Government profile
  • 1:7 twist rate
  • 1/2x28 muzzle threads
  • HP & MPI tested
  • .750” gas block seat
  • Weight: 28 oz
  • 11 Degree Recessed Target Crown
  • Button Rifled

Note: Our DSG barrels are not dimpled from the factory to accommodate your individual gas block

Customers who viewed this item also viewed

Login for Special Pricing


Login for Special Pricing


Login for Special Pricing


Login for Special Pricing