AR-10 – .338 RCM


AR-10 – .338 RCM


Step 2: Customize Barrel Options

  • 7″ Gas Tube + $12.00
  • 9″ Gas Tube + $12.00
  • 12″ Gas Tube + $12.00
  • 14″ Gas Tube + $35.00

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AR-10 .338 RCM Custom Barrel – Precision Powerhouse for Your AR10 Rifle

Welcome to Dead Shot Barrels, where precision and power unite in our AR-10 .338 RCM custom barrels. Explore the capabilities of the AR-10 .338 RCM round and our commitment to delivering unparalleled accuracy and performance.

Why Choose the AR-10 .338 RCM Round: Unmatched Power and Versatility

The AR-10 .338 RCM (Ruger Compact Magnum) is a force to be reckoned with, known for its exceptional power, flat trajectory, and versatility. It’s the optimal choice for those seeking a combination of long-range accuracy and potent stopping power. Whether you’re in pursuit of big game or challenging targets at a distance, the AR-10 .338 RCM delivers the performance you demand.

Customization Beyond Expectations – Your AR-10, Your Way

At Dead Shot Barrels, we believe in empowering shooters with unmatched customization options. Our AR-10 .338 RCM custom barrels offer a plethora of choices to create your perfect barrel:

  • Brand – Material – Twist: Choose between CM 1:10 or SS 1:10  to start your custom build.
  • Barrel Length: Tailor your rifle to different shooting scenarios with a range of barrel lengths.
  • Gas System Lengths: Enhance gas pressure and cycling efficiency with various gas system length options.
  • Gas Tubes: Ensure reliability and performance with precision-engineered gas tubes.
  • Profile and Gas Block Size: Achieve the ideal balance and accuracy with choices like Light .750, SOCOM .750, HBAR .750, HBAR .875, and Bull .936.
  • Optional Gas Blocks: Fine-tune gas flow and control with your preference of standard or adjustable gas blocks.
  • Fluting Options: Customize aesthetics and reduce weight with fluting styles like 6 Groove, Diamond, or Spiral.
  • Thread/Crown Options: Personalize your barrel’s appearance and performance with options such as Target Crown, Magna Port, Gill Cut, and 5/8″x24 threads.
  • Optional Bolts: Ensure precise alignment with our premium bolts or submit your current bolt for a perfect fit.
  • Cerakote Finish: Protect your barrel and express your style with a durable Cerakote color of your choice.

Stainless Steel Excellence – Uncompromising Smoothness with SS Ground Finishing

For the pinnacle of refinement, choose our stainless steel option enhanced with SS Ground Finishing. Experience a smooth, mirror-like surface that looks stunning in the field or the safe . Elevate the aesthetics further with a striking 2-tone Ground Finish by pairing a stainless steel barrel, fluting, and your preferred Cerakote color.

Elevate Your Shooting – Order Your AR-10 .338 RCM Custom Barrel Today!

Elevate your AR-10 rifle to new heights with Dead Shot Barrels’ AR-10 .338 RCM Custom Barrel. Experience unparalleled precision, power, and personalization possibilities. Order now and redefine your shooting potential!


Turnaround Time:


Compatible with Armalite and DPMS platform rifles.

***Please make sure to use a DPMS style BCG.***

Try our Cerakote “Stainless” finish. It looks identical to bead blast, but doesn’t soak up oils or scratch easily.


If you placed an order via credit card, the fees charged to us by our merchant account will be deducted from your refund.
Custom barrels are warrantied but not subject to full refunds.


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