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AR Barrels | Uppers | Rifles
Bolt-Action Rifle Barrels
Rimfire Barrels
Excursion Rifle
Mk. X Rifle Sale!
Product Details

Brand: Shaw® Barrels


This product is Assembled-To-Order.
Typically ships within 7 Working Days.
With Cerakote, additional 2-3 weeks.


Assembled on Forged, Mil-Spec upper receivers.
Type III, Class 2 Black anodized.

Available with or without Bolt Carrier Group and Charging Handle, whether you want a ready-to-use complete unit or would rather utilize your own equipment.

  • Barrel
    Choose from our available inventory.
    Barrels are HBar profile with .750" gas journal for low-profile gas blocks.
    All 204 Ruger barrels feature 1-12" Twist 6-Groove rifling.
    All barrels are 416R Stainless with matte, non-glare finish.
  • Muzzle Device
    Choose from: No Device, A2 Flash Hider, or our Titanium Brake.
    All barrels are threaded 1/2-28 standard.
  • Handguard
    Our handguards feature full top picatinny rail, and have integral QD points on either side.
    3 forward M-LOK® slots on the upper and lower 45s.
    15" - 8 M-LOK® slots at 6 o'clock, and 7 slots at 3 and 9 o'clock.
    Type III, Class 2 Black anodized.
  • Bolt Carrier Group
    Choose from:
    No BCG (If you want to use your own.)
    Mil-Spec M-16 Manganese Phosphate
    Mil-Spec M-16 Nickel Boron
    Bolts are HP/MPI Tested.
  • Charging Handle
    Choose from:
    No Charging Handle (If you want to use your own.)
    RadianRaptor-LT™ ambidextrous charging handle. (Black)
    7075 aluminum over-molded with high-strength fiberglass reinforced polymer.
  • Cerakote Option
    Cerakote is for upper receiver and handguard.
    Cerakote will add approximately 2-3 weeks to the assembly time.
    Cerakote is applied over the anodizing.

M-LOK® is a registered trademark of Magpul Industries Corp.
Radian™, Raptor-LT™ are trademarks of Radian Weapons.


Our barrels and other components are manufactured to industry standards.  We offer no brand endorsments for specific BCGs, Charging Handles, or other components.  The use of Mil-Spec (or equivalent) components from reputable manufacturers is recommended.

All uppers are function tested on Mil-Spec lower receivers using standard power carbine buffer springs and carbine weight buffers.  Once received, based on you final setup and intended usage, fine tuning of your buffer system components may be required for optimal function. 

State Compliance

Check your State and Local laws before purchasing.  This item cannot be shipped to CO (Boulder, Denver, Vail), D.C., ILMA, WA.  Orders with shipping or billing addresses from any of these locations will be cancelled and charged a 10% processing fee. It is the responsibility of the purchaser to ensure compliance with all applicable laws when assembling firearm components.  Any item requiring return based on legality will be subject to a 25% restocking fee; shipping charges will not be refunded.


WARNING: The use of this product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

204 Ruger Complete Upper

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Are You 18 Years of Age or Older?