Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
Lapua Center-X 22LR ammunition delivers subsonic consistency for range shooters and plinkers who demand precision without the price of match-grade ammo. Loaded with a 40 grain round nose bullet, this cartridge exits the barrel at 1073 feet per second—staying below the sound barrier—and delivers 102 foot-pounds of energy at the muzzle. Each 50-round box comes from a manufacturing process where every cartridge is individually checked and each lot undergoes ballistic testing, gas pressure verification, and grouping analysis before leaving the factory. If the lot fails tolerance, it does not ship.
Built for the Box
Lapua manufactures rimfire ammunition with the same quality control protocols that earned the brand gold medals in ISSF, benchrest, and biathlon competitions. While Center-X sits one tier below Midas+ and X-Act in the Lapua lineup, it retains the same inspection rigor—every round passes visual and mechanical checks before packaging. The round nose profile feeds reliably in tubular magazines, bolt guns, and semi-autos. Subsonic velocity reduces report and eliminates the supersonic crack, making this load quiet enough for backyard ranges where noise ordinances apply.
Performance at a Glance
| Spec | Value |
|---|---|
| Caliber | 22 Long Rifle |
| Bullet weight | 40 Grains |
| Bullet type | Round Nose |
| Muzzle velocity | 1073 Feet Per Second |
| Muzzle energy | 102 Foot Pounds |
| Rounds/box | 50 Round |
| Velocity rating | Subsonic |
| Lead Free | No |
| Intended use | Range & Target |
| Manufacturer | Lapua |
Lapua sources premium raw materials and controls every stage of the manufacturing process in-house—from priming compound to final packaging. You get the same ammunition that won European championships, now packaged for recreational shooters who want better-than-bulk accuracy without the cost of top-tier match loads. Browse more precision Lapua 22LR Ammo for additional grain weights and velocity profiles.
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 at all times.
- Verify current state and local ammunition laws before purchasing or transporting ammunition across state lines.
- This product contains lead. Wash hands thoroughly after handling. Pregnant women and children should avoid exposure. California Prop 65 warning applies.
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