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This is the ammunition the FBI selected as their service round after extensive protocol testing. Hornady built the Critical Duty 135-grain +P to meet every requirement of defensive performance while maintaining manageable recoil for follow-up shots.
The FlexLock bullet incorporates two core features that set it apart in barrier situations. The patented Flex Tip eliminates clogging from clothing and drywall, initiating consistent expansion every time. A large mechanical jacket-to-core InterLock band keeps the bullet and core locked together through all six FBI test barriers, preventing the jacket separation that can compromise terminal performance. This combination means you get reliable expansion whether your first shot encounters bare gelatin or passes through multiple barriers common in urban environments.
The 135-grain weight at +P pressure delivers around 1,110 fps from a four-inch barrel, striking what Hornady calls the sweet spot between velocity and bullet mass. This isn't just ballistic math either. Multiple independent testers have noted this load produces softer recoil impulses than comparable duty ammunition while maintaining the penetration depth and weight retention needed for serious defensive situations.
The nickel-plated cases enhance visibility in low-light chamber checks and resist corrosion far better than standard brass. Combined with a cannelured bullet and crimped case, every round seats consistently without setback during feeding. Hornady also loaded these with low-flash propellant to help preserve your night vision if you're forced to shoot in darkness.
Critical Duty is purpose-built for full-size duty handguns with 4-inch or longer barrels and optimized for barrier penetration through FBI test protocols. Critical Defense is Hornady's line designed for compact and subcompact carry guns. If you're running a full-size pistol for personal protection or duty use, Critical Duty is the better choice.
While some users report running it successfully in smaller guns, Hornady specifically recommends Critical Duty for full-size handguns with 4-inch barrels or longer. The +P pressure and 135-grain weight will generate more recoil in compact frames, potentially affecting your ability to make follow-up shots quickly. Check your gun's manual and manufacturer recommendations first.
The premium pricing reflects the advanced engineering in every round. The FlexLock bullet design, InterLock band technology, high-antimony lead core, nickel-plated cases, and low-flash propellant all add manufacturing complexity. This ammunition meets FBI duty standards and is carried by law enforcement agencies, which tells you something about the quality control and consistency you're paying for.
The +P loading operates at higher pressures than standard 9mm, which means increased velocity and energy but also more felt recoil and muzzle blast. Modern 9mm pistols from major manufacturers are rated for +P ammunition, but always verify your gun's manual. The +P rating doesn't damage firearms when used occasionally, though some people reserve hot loads for defensive situations rather than range practice.
| Bullet Weight (Grains) | 135 |
|---|---|
| Caliber/Gauge | 9mm |
| Case Material | Nickel-Plated Brass |
| Cost per Round | 1.24 |
| Grains | 135 gr |
| Length | 2.5500 |
| Manufacturer | |
| Manufacturer Part Number | 90226 |
| Model | |
| Product Type | FlexLock Duty |
| Shipping Weight | 0.7813 |
| Units per Box | 25 |
| UPC | 090255902266 |
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