No, this barrel is for DPMS LR-308 Gen 1 or Armalite AR-10 receivers. The 338 ARC receiver is for the AR-15 platform and will be too small to accept this barrel.
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by Brian Seery, from TX, United States Asked on October 29, 2025
No, this barrel is for DPMS LR-308 Gen 1 or Armalite AR-10 receivers. The 338 ARC receiver is for the AR-15 platform and will be too small to accept this barrel.