Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
Lapua Pistol King 22LR ammunition bridges the gap between high-volume practice and match-day accuracy. The 40-grain round nose bullet exits at 950 feet per second — subsonic from most pistol barrels — delivering 80 foot-pounds of energy with minimal report and recoil. Lapua designed this load specifically for short-barreled firearms, optimizing powder burn and bullet jump for barrels under six inches. The round nose profile feeds reliably in semi-automatic pistols while maintaining the concentricity and lot-to-lot consistency competitive shooters expect from Finnish-manufactured rimfire.
Performance at a Glance
| Spec | Value |
|---|---|
| Caliber | 22 Long Rifle |
| Bullet weight | 40 grains |
| Bullet type | Round nose |
| Muzzle velocity | 950 fps |
| Muzzle energy | 80 ft-lbs |
| Rounds/box | 50 |
| Velocity rating | Subsonic |
| Lead free | No |
| Intended use | Range & Target |
| Manufacturer | Lapua |
The subsonic velocity keeps bullet flight below the sound barrier, eliminating the sonic crack that accompanies high-velocity rimfire. For steel challenge, bullseye, or rapid-fire drills, you get consistent point of impact without the vertical stringing that can plague mixed-velocity ammunition. Browse the full Lapua 22LR Ammo lineup for match-grade options across velocity bands and bullet weights.
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.
- Follow the four rules of firearm safety on every range session.
- This product contains lead. Wash hands after handling. California Prop 65: www.P65Warnings.ca.gov.
- Verify current state and local ammunition laws before ordering. Some jurisdictions restrict online ammunition sales or impose waiting periods.
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