The Sierra Pro?Hunter .30 caliber 170 grain Flat Nose (FN) bullet is a traditional flat?base, cup?and?core hunting projectile designed specifically for reliable performance in lever?action cartridges such as the .30?30 Winchester. Its blunt flat nose ensures safe use in tubular magazines while promoting dependable expansion and strong energy transfer at moderate velocities. With its heavier weight and higher sectional density, it offers deeper penetration than lighter options, making it well suited for medium game at short to moderate ranges where consistent terminal performance is essential.