Yankee Hill Machine Specter Upper Assembly Kit AR-15 9mm Luger 16" Barrel 1 in 14" Twiste Matte With 32-Round Magazine. The Yankee Hill Machine Specter Upper Assembly Kit contains a complete, 9mm Specter Upper Receiver Assembly as well as all the parts required to convert your standard 223/5.56 AR-15 to 9mm. Caliber conversion is easily done at the operator level; swap out a few parts, then attach the upper receiver and the rifle is ready to go.
Technical Information:
Kit Contains:
YHM 9mm Specter Upper Assembly with flip up front and rear sights
Ramped 9mm bolt carrier group
Hahn Precision magwell adapter
YHM extended heavyweight buffer
32-Round magazine
Product #: 163590
Yankee Hill #: YHM-7810-9K
UPC #: 00816701011241

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