Description
SKU: 100019948 / MFR BBL-002 Complete barrel assembly for use with MCR® rifles and upper receiver assemblies. Includes barrel extension with fixed headspace, gas block assembly, 4 position regulator, piston, flash hider and dovetail cover. 100% Made In USA.
- 5.56 NATO chamber
- Length: 16.25″
- Heavy Profile for Sustained Fire Use
- Thread Pitch: 1/2-28″ TPI
- Twist: 1:7 RHT
- Mid-Length Gas System
- 4 Position Adjustable Regulator
- Mag Phosphate Finish
- Works with MCR and Shrike 5.56 rifles and upper receiver assemblies.
SKU: 100019949 / MFR BBL-006 Complete barrel assembly for use with MCR® rifles and upper receiver assemblies. Includes barrel extension with fixed headspace, gas block assembly, 4 position regulator, piston, flash hider and dovetail cover. 100% Made In USA.
- 5.56 NATO chamber
- Length: 12.5″
- Heavy Profile for Sustained Fire Use
- Thread Pitch: 1/2-28″ TPI
- Twist: 1:7 RHT
- Mid-Length Gas System
- 4 Position Adjustable Regulator
- Mag Phosphate Finish
- Works with MCR and Shrike 5.56 rifles and upper receiver assemblies.


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