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$41.18
Magtech 500 S&W Magnum 400 grain semi-jacketed soft point 500A ammo uses a heavier hunting bullet than the brand’s 325-grain 500 S&W soft-point offerings. Its exposed lead tip and surrounding jacket define a projectile intended to deform under suitable impact conditions.
The additional bullet weight sets this load apart from Magtech’s 500B and 500L cartridges, even though all are classified as semi-jacketed soft points. Magtech lists 1,624 fps for this ammunition. That factory number and 400-grain projectile describe a particular hunting configuration, but they do not support unverified claims about accuracy or penetration.
For a revolver previously sighted with 325-grain bullets, changing to this 400-grain load calls for a direct point-of-impact comparison. A 20-round box of 500A ammo provides the precise heavy soft-point configuration for that assessment. The defining difference is the weight-and-velocity pairing, not a generic statement about the caliber’s power.