Underwood .357 SIG 124gr Jacketed Hollow Point ammunition (part no. 147) loads a 124-grain jacketed hollow point bullet in .357 SIG, built for personal and home defense. Underwood Ammo loads to the top of SAAMI pressure specifications, squeezing more velocity out of this cartridge than most factory loads. Jacketed Hollow Point construction expands on impact for defensive or hunting terminal performance. In handgun ammunition for personal defense, this is the load built for exactly that.

Key Specifications

• The caliber is .357 SIG, a bottlenecked, high-velocity round built to mimic .357 Magnum ballistics in a semi-auto.
• The bullet weighs 124 grains, a mid-weight bullet balancing velocity and expansion for typical defensive ranges.
• The bullet type is Jacketed Hollow Point, a cavity designed to expand on impact for defensive or hunting terminal performance.
• The case material is nickel-plated brass, giving corrosion resistance, smoother feeding, and a bright case that is easy to spot once chambered or on the ground.
• This load is built around A load pushed to the top of SAAMI pressure specifications for more velocity.
• Each box holds 20 rounds, enough to load up, confirm point of impact, and still carry a fresh box.
• 10 boxes ship per case, keeping the cost down for shooters who buy in volume.
• Cost runs about $1.10 per round, in line with other premium hunting and defensive ammunition.
• Shipping weight per box runs about 0.647 pounds, useful for shooters planning a case-quantity order.

Frequently Asked Questions

What is this .357 SIG load built for? It is built as a defensive round, loading a jacketed hollow point bullet designed to expand and transfer energy quickly rather than over-penetrate.

What makes .357 SIG a good choice? .357 SIG is a bottlenecked, high-velocity round built to mimic .357 Magnum ballistics in a semi-auto, which is exactly why Underwood loads it in this configuration.

Buy the Underwood .357 SIG 124gr Jacketed Hollow Point

Carry it or keep it in the nightstand knowing the load behind it is built to perform when it counts. Order the Underwood .357 SIG 124gr Jacketed Hollow Point from our Lubbock, Texas gun shop and it ships fast to your door.