Seekins Precision SP Billet iRMT-R Upper AR15 AR-15 Receiver
Seekins Precision’s Integrated Rail Mounting technology (iRMT) uppers integrate the rail mounting points into the upper receiver. This retains the stiffness while allowing the rails to be completely modular.
Receiver: IRMT-R 7075-T6 billet
Complete with dust cover and forward assist