CMMG .22LR Medium Contour AR-15 Barrel - 4.5"

Manufactured by CMMG
SKU: 22D5B0F
MPN: 22D5B0F
Manufactured by CMMG
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The National Firearms Act regulates the configurations of some firearms assembled with barrels under 16” long. Know the NFA laws in your state before purchasing this item.

The CMMG 22LR Medium Contour Barrel is machined from 4140 Chrome-Moly steel with a Salt Bath Nitride finish to provide a harder than chrome surface with decreased friction coefficient and excellent corrosion resistance. At 4.5” in length, it features a 1:16 twist rate and a medium taper profile. It is threaded 1/2x28 for use with your favorite 22LR muzzle device.

  • 4.5” barrel chambered in .22LR
  • 4140 Chrome-Moly
  • Salt Bath Nitride finish
  • Medium taper profile
  • 1:16 twist rate
  • Threaded 1/2x28
  • No gas port location
  • AR-15 rifle platform
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Barrel Coating
Barrel ContourMedium Taper
Barrel Length4.5
Barrel Material4140 Chrome Moly Steel
Thread Pattern1/2 X 28
Twist Rate1:16

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