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Centurion Arms CM4 5.56 Forged Receiver Set – BLK


1 in stock

SKU: CenturionArms-CM4-F-SET Categories: , , , Tag:



MIL-Spec inner dimension measures at 1.000 -0.0/+0.002″
Thermal Fit inner dimension measures at .997 -0.0/+0.001″ and requires the application of heat in order to provide a solid mate to the recommended barrel extension. By heat we mean more than granny’s hair dryer.
-For Use with M4 Barrel extensions
-Assembled Upper Receivers come with ejection port cover and forward assist installed


Receivers Machined from Aluminum Forgings 7075-T6
M16/Auto Pocket

Additional information

Weight 5.0 lbs
Dimensions 18 × 12 × 4 in


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