Sierra Bullets MatchKing .30 Caliber Rifle Bullets 169 Grain Boat Tail Hollow Point 250 Bullets. To accomplish that we added length to the boattail and engineered a forgiving tangent ogive with a closed nose. Doing this gave it a .527 BC which keeps it super sonic past 1000 yards in a 308 chamber. Specifications for Sierra Bullets MatchKing .30 Caliber Rifle Bullets 169 Grain Boat Tail Hollow Point: Manufacturer: Sierra Bullets Bullet Type: Boat Tail Hollow Point (BTHP) Bullet Weight: 169 grain Projectile Caliber: .30 Caliber Diameter: 0.308 in Bullet Quantity: 250 Bullet Sierra Bullets 2269MP MatchKing 30Cal 169gr Hollow Point Boat Tail 250/Box Sierra Bullets 2269MP: MatchKing .30 Caliber Rifle Bullets 169 Grain Boat Tail Hollow Point 250 Bullets