The D166 boat tail bullet sports the same design as the legendary D46 bullet, but with a larger diameter. Lapua’s D166 bullet has been used in Finnish military applications since 1936 and it still has a great reputation among traditional mid-range and long range rifle target shooters. CaliberProd. no. Bullet diameterProduct codeWeightTypeBullet nameBallistic coefficient BC G1Ballistic coefficient BC G7 mmin ggrs 7.62 mm (.311)4 PL/HL 70057.87.310D16613.0200FMJBTD1660.4480.224 LAPUA 303 (.310) 200gr FMJ BULLET BOAT-TAIL LU4PL7005