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Left handed shooters are familiar with gas & casings blowing back in their face when operating a standard AR. The Black Rain Ordnance Left Handed Upper Receiver extracts cases and expends blowback on the left away from the operators face, making shooting more comfortable and keeping them from breathing in harmful gases. Made from the exact same 7075 T6 billet aluminum as Black Rain Ordnance's standard milled upper receiver this upper also features the dust cover and forward assist already installed.
*MUST BE PAIRED WITH A LEFT HANDED BOLT AND CARRIER GROUP TO OPERATE.