Sierra Bullets 6mm 105 Grain Hollow Point Boat Tail Rifle Bullets 100 Bullets. It was engineered with a long ogive small meplat and optimized boat tail to preserve downrange efficiency enhance accuracy and reduce wind drift. Specifications for Sierra Bullets 6mm 105 Grain Hollow Point Boat Tail Rifle Bullets: Manufacturer: Sierra Bullets Gun Type: Rifle Bullet Type: Boat Tail Hollow Point (BTHP) Bullet Weight: 105 grain Projectile Caliber: .243 Caliber Jacket Material: Lead Dimensions: 1.30 X 2.55 X 3.60 in Width: 2.55 in Height: 1.3 in Length: 3.6 in Package Contents: Sierra Bullets 6mm 105 Grain Hollow Point Boat Tail Rifle Bullets Sierra Bullets 1565: 6mm 105 Grain Hollow Point Boat Tail Rifle Bullets 100 Bullets