DoubleStar Barrel AR-15 5.56x45mm NATO M4 Contour 1 in 7" Twist 16" Chrome Moly Phosphate with Front Sight Base

Product #: 631279 DoubleStar #: 16" CHF M4 UPC #: 736211474797
Ships 11/27/2015 from MidwayUSA
Please Sign In or Create an Account to use this feature.
  • Information
Doublestar uses cold hammer forging to produce these quality AR-15 barrels. Coupled with chrome lining, these forged barrels offer an excellent blend of accuracy and durability. The pre-ban configuration offers muzzle threads for the addition of a flash hider, and the front sight base includes a bayonet lug. The M4 contour makes this barrel the perfect choice for your AR carbine build.

Barrel Specifications:
  • Length: 16"
  • Material: Chrome Moly
  • Contour: M4
  • Chamber: 5.56x45mm NATO
  • Twist Rate: 1 in 7"
  • Chrome Lined: Yes
  • Finish: Matte
  • M4 Feed Ramps: Yes
  • Muzzle Thread Pattern: 1/2"-28
  • Gas Port Location: Carbine
  • Exterior Diameter at Gas Port: 0.750"
  • Extras: Barrel extension, barrel nut and front sight base with bayonet lug
  • Front sight post, front sight detent, detent spring and gas tube are not included.

Was this information helpful? Yes No

Thank you! Your valuable feedback helps improve our product information and offering.

Help Us Improve

Please enter the missing required fields:

    Do you accept our terms and conditions? *
    Know someone who may like this? Email this Page to a Friend

    Customer Reviews

    The statements and opinions expressed within Customer Reviews reflect each author's personal perspective and do not imply endorsement by MidwayUSA, its Employees or any other organization. Customers should in no way infer that MidwayUSA has validated review information as safe, accurate or appropriate.

    NOTE: Prices, specifications and availability are subject to change without notice. We reserve the right to correct typographic, photographic and/or descriptive errors.