The AR-STONER(TM) Stripped Upper Receiver is a great choice for your next custom AR-15 build. This stripped upper comes standard with a shell deflector and flat A3 design. The AR-STONER(TM) upper receiver is ready to be installed onto any standard AR-15 lower once assembled. The receiver is forged from aluminum to military specifications and then Type III hard coat anodized. Whether at the range or in the field, the high quality AR-STONER(TM) upper receiver performs to perfection!FeaturesSolid forged 7075 Aluminum constructionStrong, and consistent performancePrecise drop-in fit onto any standard AR-15 lowerIncludes M4 feed ramp cutsLaser engraved T marks