The Barnes Bullets TSX (Triple-Shock X) Boat Tail is a premium lead-free, all-copper hunting bullet engineered for handloaders assembling their own 50 BMG rifle ammunition. Machined as a monolithic .510" diameter projectile weighing 647 gr, the TSX BT is built around controlled expansion, maximum weight retention, and a no-fragmentation design that Barnes advertises as delivering approximately 28% deeper penetration than comparable lead-core bullets.
Each bullet features a hollow-point nose that initiates expansion into four razor-sharp cutting petals on impact, a cannelure for positive case-mouth seating, and a tapered boat-tail base for improved ballistic efficiency. Barnes publishes a ballistic coefficient of .572 and a sectional density of .355 for this loading, with the entire projectile constructed from copper solid - no lead core and no separate jacket. The TSX Boat Tail is recommended for hunting use in rifle applications and is packaged as 20 bullets per box of new production reloading components.
