1、DETAIL SPECIFICATIONBarrel, Machine Gun, Cal .50, Recoil Amplifier, Practice, M3MIL-B-70448, dated 19-Aug-1997, remains inactive for new design;however, the document is valid for use.NOTICE OFVALIDATIONMIL-B-70448NOTICE 231-Dec-2013NOTE: The activities above were interested in this document asof the
2、 date of this document. Since organizations andresponsibilities can change, you should verify the currency ofthe information above using the ASSIST Online database athttps:/assist.dla.mil.AMSC N/A FSC 1005Custodians:Army - ARPreparing Activity:Army - ARProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-