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24" .223 WSSM Upper Conversion Unit

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Upper conversion unit for your complete AR-15 lower receiver designed for .223 Winchester Super Short Magnum.

Availability: Available (built to order)



Upper conversion unit for your complete AR-15 lower receiver chambered for the .223 Winchester Super Short Magnum. Ballistics for this caliber ballistically mimic that of the 22-250.

This is the complete upper receiver assembly with 24" barrel - fully head-spaces test fired and ready to drop on any complete 5.56/.223 AR15 lower.  Includes picatinny  flat top upper receiver, charging handle, bolt carrier assembly, 24" button rifled barrel made from stainless steel, free floating aluminum handguard, picatinny gas block and a crowned muzzle.

Includes one 6-round magazine.  The ejection port cover is not included because the port is enlarged to allow proper ejection of the magnum sized brass.

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Olympic Arms, Inc. is not affiliated with the IOC/USOC or any other Olympic sports organization.