Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
The Grizzly Cartridge 45 ACP +P 185 grain JHP combines legacy cartridge engineering with modern hollow point design, delivering 1175 fps and 567 ft-lbs of muzzle energy in a self-defense configuration. Grizzly Cartridge Company hand-inspects each manufacturing step — from powder charge to final case crimp — ensuring lot-to-lot consistency for shooters running full-size 1911s, Springfield XDs, and Glock 21 Gen5 frames rated for +P pressures. The jacketed hollow point expands on impact while retaining 95–98% of its original weight, producing reliable wound channels without fragmentation. Flash-suppressed powder keeps muzzle signature low in low-light scenarios, and boxer-primed brass cases reload cleanly across 6–8 cycles when sized to SAAMI minimums.
Performance at a Glance
The 185-grain projectile sits at the lighter end of the 45 ACP spectrum, trading bullet mass for velocity — 1175 fps from a 5-inch barrel represents a 150–200 fps gain over standard-pressure 230-grain ball. Chamber pressures run at 23,000 psi (SAAMI +P ceiling), requiring pistols marked “+P” on the barrel or slide. Brass cases measure .898 inches in overall length, headspace on the case mouth per rimless cartridge design, and accept large pistol primers. The jacketed hollow point features a six-petal cavity that opens to .68–.72 caliber in 10% ballistic gelatin at distances of 7–15 yards, typical self-defense engagement ranges.
| Spec | Value |
|---|---|
| Caliber | 45 ACP +P |
| Bullet weight | 185 grains |
| Bullet type | Jacketed Hollow Point |
| Muzzle velocity | 1175 fps |
| Muzzle energy | 567 ft-lbs |
| Rounds/box | 20 |
| Case | Brass |
| Primer | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Intended use | Self Defense |
| Manufacturer | Grizzly Cartridge |
Grizzly loads this ammunition with flash-suppressed powder that burns clean and minimizes fouling in short recoil systems — expect 300–400 rounds between detail cleanings when paired with synthetic lubricants. For additional self-defense and target options in this caliber, browse our full 45 ACP ammo inventory.
Safe Handling & Compliance
Federal law requires purchasers to be at least 18 years old for rifle and shotgun ammunition, and at least 21 for handgun ammunition. Ammunition cannot be shipped to certain states, counties, and cities — review our ammunition shipping restrictions before ordering. Store ammunition in a cool, dry location away from heat sources and out of reach of unauthorized users.
- Treat every firearm as if loaded. Keep muzzle pointed in a safe direction. Keep finger off trigger until ready to fire. Be certain of your target and what lies beyond it.
- Verify state and local laws governing ammunition possession and use. Some jurisdictions restrict hollow point ammunition or +P loadings — confirm compliance before purchase.
- This product contains lead, a chemical known to the State of California to cause cancer and birth defects. Use adequate ventilation when shooting indoors. Wash hands thoroughly after handling ammunition or cleaning firearms.
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