BK/MDA-10-R BK/MDA-10-R-TC BK/MDA-1-1/2 BK/MDA-1-1/2-R BK/MDA-1-1/4-R BK/MDA-12 BK/MDA-12NR BK/MDA-12-R BK/MDA-15 BK/MDA-15BX