The Underwood 10mm 140gr chambers 10mm behind a 140-grain factory-new (part no. 648), a combination built for range use, hunting, and everyday carry. Underwood builds this load with the quality control a serious shooter expects from every lot. Consistent factory tolerances keep point of impact and function predictable from the first round to the last, without the variance of reloaded or remanufactured ammunition. It is one of the handgun ammunition options stocked here, chosen for real-world performance rather than shelf filler. It is the kind of 10mm load a shooter can trust without wondering how the next magazine will perform.

Key Specifications

• The caliber is 10mm, one of the most widely carried defensive and range chamberings on the market.
• The bullet weighs 140 grains, carrying enough mass to hold energy at extended range.
• Consistent factory tolerances keep point of impact and function predictable from the first round to the last, without the variance of reloaded or remanufactured ammunition.
• Each box holds 20 rounds, covering a solid day of practice without running dry.
• This SKU ships in a 10-box case (200 rounds total), letting range operations and serious shooters buy once and shoot for a long while.
• The cases are Nickel-Plated Brass, feeding smoother than plain brass and resisting corrosion in humid storage or wet conditions.
• At about $1.95 per round, keeping cost predictable across a high-volume practice session.
• The box ships at 0.735 lbs, a useful reference for flat-rate shipping and bulk order planning.

Frequently Asked Questions

What is this 10mm load built for? With a 140-grain factory-new, it is built for range use, hunting, and everyday carry.

How many rounds come in a box? Each box holds 20 rounds.

Buy the Underwood 10mm 140gr

Keep the range bag and the nightstand magazine both fed from the same reliable box. Order from our Lubbock, Texas gun shop and it ships fast to your door.