9mm – +P 124 Grain JHP – Winchester USA Ready Defense – 20 Rounds For Sale

Winchester’s USA Ready Defense ammunition is top notch stuff! You could use this 9mm +P ammo for match shooting if you so please, although its accuracy and reliability make it a flawless solution for self-defense with a handgun or carbine.

This round has a middleweight 124 grain jacketed hollow point projectile, with a notched rim to promote more reliable and uniform terminal expansion. The bullet’s nose cavity features Winchester’s Hex-Vent – a rigid polymer column that prevents the hollow point from clogging with fabric and other debris that could impact its ability to expand on cue. As the JHP penetrates, the Hex-Vent presses inward to force the bullet open, even at lower velocities.

But this round certainly has got velocity working on its side. It’s a 9mm +P round, so its bullet exits the barrel faster than usual to follow a flatter trajectory and strike its target with greater energy. A 9mm +P round is loaded to a higher pressure that most modern pistols are designed to safely handle. All Glocks are rated for 9mm +P, for example.

This cartridge has excellent supporting components including a match grade primer. We love to see a self-defense round equipped with a nickel-plated brass case, as that exterior plating helps to reduce friction which could cause a failure to extract and also wards off corrosion. Winchester publishes the specific ballistic data for every lot of USA Ready Defense on their website at

Manufacturer Winchester
Condition New
Bullet Weight 124 Grain
Bullet Type Jacketed Hollow-Point (JHP)
Ammo Casing Nickel-Plated Brass
Quantity 20
Ammo Caliber 9mm Luger (9×19)
Pressure +P
Manufacturer SKU RED9HP
Primer Type Boxer
Muzzle Velocity (fps) 1200
Muzzle Energy (ft lbs) 396
Attracts Magnet No
UPC Barcode 020892230057
Cost Per Round $1.20 per round


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