M & M Outfitters

This auction offers an AR 15 upper, chambered in .556 MM Nato caliber...... This AR-15 Rifle Upper Assembly build features:.......(Since this is a build kit, it comes un-assembled, although pictured assembled to illustrate the completed upper.)....... Description:...... This build includes:....... -Mil spec forged or billet upper receiver. (Forged is pictured and will be sent, subject to availability. If you prefer billet, please let us know and we will try to accommodate your preference.)...... -20 inch 556 NATO/.223 Wylde rifle barrel. (Choice of chambering is our option, depending on availability. If you prefer one, please let us know and we will try to accommodate your preference.).... -A2 muzzle brake........ -Free float handguard. (KeyMod is pictured. KeyMod or MLok will be shipped, depending on availability. If you have a preference, please let us know and we will try to accommodate your choice.).... .750 steel gas block....... -Stainless gas tube....... -Forward Assist........ -Dust Cover........ Since it is an upper build kit, this item ships directly to your door, USPS Priority mail.