LuckyGunner.com has a large selection of
.45 GAP ammo. Both FMJ and JHP ammo available from multiple manufacturers. One of the best deals available on FMJ training ammo is from Magtech. Available in 50 round boxes and 1,000 round cases.
Quantity - 50 rounds per box
Manufacturer - Magtech
Bullet - 230 grain full metal jacket (FMJ)
Casing - Boxer-primed brass