Remington Subsonic is the result of a collaboration between AAC and Remington to deliver quiet ammunition designed to maximize the effectiveness of the silencer. This ammunition caters to the silencer user or anyone just wanting a dependable and consistent subsonic load that does not produce supersonic cracks. All offerings are specifically designed for optimal performance when paired with a silencer. Tight velocity control to eliminate supersonic cracks. FNEB & OTFB bullets to eliminate exposed lead on the heel to eliminate leading in silencer ports.