https://midstatefirearms.com/product/16-223-wylde-18-4150-m4-ar15-barrel/

shipping available

  • 16″ M4 Contour Barrel
  • .223 Wylde Chamber (shoots 5.56 or .223) 
  • 4150 Chrome Moly Steel
  • Parkerized/Phosphate Finish
  • 1/2-28 Threads
  • 1:8 Twist
  • Carbine length gas
  • m4 feed ramps 
  • .750 diameter at gas block.