RTR .223 Wylde 18" Mk12 Mod1

Craddock Precision

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Craddock Precision presents the RTR 18" .223 Wylde Mk12 Mod1, a pinnacle of precision engineering for clone builders. Crafted to exacting specifications, it seamlessly integrates with Allen Engineering or Otter Creek Lab SPR collar mounts, enabling effortless compatibility with the AEM5/OCM5 suppressor. True to its Mk12 lineage, it embodies authenticity and accuracy, eliminating the need for gunsmith fitting. Unlock the essence of precision with Craddock Precision's unrivaled craftsmanship.


  • 18" in length
  • Rifle Gas System (Gas Tube Included)
  • .223 Wylde Chamber
  • 41.3 oz
  • 1:7 Twist Rate
  • M4 Feed Ramps
  • Button Rifled Match Grade SS Blank
  • Mk12 Mod 1 /.750" Gas Block
  • Threads 1/2x28 with a 11° target crown
  • Three Half Fluting Options (Straight, Spiral, and Diamond)
  • Multiple Finish Options to choose from

Adding fluting or Cerakote to your barrel? Expect a 1-4 week turnaround for precision work and coating perfection.

For Cerakote Flutes Polish OD finish option, specify your desired Cerakote Color/Code in the checkout notes.