Barnes Pioneer Ammunition 357 Magnum 140 Grain XPB Hollow Point Lead Free Box of 20

The Barnes Pioneer 357 Magnum 140 Grain Hollow Point delivers dependable performance for shooters who want repeatable results. Barnes pairs a 140-grain hollow point projectile with quality brass casings and clean-burning propellant. As a result, this load gives revolver shooters controlled expansion and reliable penetration on every trigger pull. Specifically, this loading suits personal defense and duty carry.

About This Barnes Pioneer 357 Magnum Load

Barnes built its reputation on tight manufacturing tolerances and consistent quality control. This 357 Magnum offering reflects that same standard. The factory sizes and primes each case for reliable chambering across a wide range of revolvers. Additionally, the plant meters every propellant charge carefully, so velocities stay consistent from lot to lot. Therefore, shooters loading this 140 grain hollow point round can expect uniform cycling and consistent cylinder timing. In short, this 357 Magnum ammunition delivers the shot-to-shot consistency that makes practice sessions and function testing meaningful.

357 Magnum Ballistic Performance and SAAMI Specifications

Barnes manufactures every round in this 357 Magnum line to SAAMI’s published specifications for the 357 Magnum cartridge. This ensures safe chamber pressures and reliable dimensional compatibility with SAAMI-spec firearms. For example, handloaders working up their own 140 grain projectiles often reference this factory 357 Magnum loading’s published velocity as a useful benchmark. However, chronograph results can vary by barrel length. Therefore, always verify velocity and function in your own firearm before relying on this 357 Magnum load for hunting or defensive use.

Boxes of this Barnes Pioneer 357 Magnum ammunition ship in standard quantities of 20 rounds, which makes restocking for range day simple. For more 357 Magnum options, browse the full 357 Magnum ammunition selection, including additional hollow point loads. Also check our Bulk Savings page for discounted case-quantity pricing on Barnes Pioneer 357 Magnum ammunition. Finally, store all ammunition in a cool, dry location away from direct sunlight. Doing so preserves propellant consistency and primer reliability over time.