The Lapua Center-X .22 LR 40-grain Lead Round Nose (LRN) load is a legendary, match-grade rimfire cartridge relied on by competitive shooters worldwide. The biggest headache in precision rimfire shooting is "transonic instability"—the chaotic aerodynamic wobble that happens when a bullet drops below the speed of sound, shattering your group sizes. Lapua completely bypasses this issue by locking this ammunition into a strictly subsonic velocity profile, ensuring your bullet travels on a smooth, completely undisturbed path from the muzzle all the way to the target.
The technical advantage focuses on flawless, shot-to-shot ballistic uniformity. Leaving the barrel at a controlled 1,073 FPS, the projectile avoids accuracy-killing shockwaves entirely. Lapua pairs this stable velocity with an incredibly tight standard deviation, ultra-consistent priming, and a proprietary wax lubricant. This specialized coating regulates barrel pressure and severely reduces lead fouling with every shot. The result is near-zero extreme spread, giving you identical velocity and a perfectly predictable point-of-impact across varying outdoor temperatures.
Every single box of Center-X is built to deliver smooth chamber cycling, crisp ignition, and laser-like elevation holds. The 40-grain lead round nose projectile glides effortlessly through tight match chambers and down the bore, printing the tight, single-hole groups that turn close matches into podium finishes. Whether you are competing in high-stakes benchrest tournaments, biathlons, or dialing in a custom bolt-action rifle for NRL22, Center-X gives you the elite mechanical repeatability required when every fraction of an inch counts.
Key Benefits
- Strictly Subsonic 1,073 FPS Profile: Eliminates transonic shockwave disruption to ensure total flight stability and match-grade accuracy.
- Proprietary Wax Lubrication: Advanced coating stabilizes barrel pressures, cuts down on lead fouling, and ensures ultra-smooth chamber feeding.
- Minimal Extreme Velocity Spread: Tight factory manufacturing tolerances eradicate vertical stringing on long-range targets.
- Elite Component Uniformity: Highly concentric brass and consistent priming compounds ensure identical ignition with every single trigger pull.
Technical Specification
- Ballistics: .22 LR | 1,073 FPS Muzzle Velocity | Subsonic Match-Grade Flight Profile
- Projectile: 40 Grain | Lead Round Nose (LRN) | Certified Premium Target Geometry
- Case/Primer: Elite-Grade Rimfire Brass | Ultra-Responsive Rimfire Primer | Proprietary Wax Lubricant
- Logistics: 50 Rounds Per Box | Center-X Rimfire Series
- Dimensions: .22 LR | ~0.40 lbs Per Box | SKU: 420163
- Application: Precision Rimfire Competition | Benchrest, Biathlon, & Silhouette | NRL22 & PRS Rimfire Disciplines
- Standards: Olympic-Level Factory Manufacturing and Quality Control Benchmarks
For shooters demanding verified lot consistency and competition-grade rimfire performance, SMKW provides a trusted source for Lapua Center-X ammunition backed by reliable fulfillment and industry expertise. Secure your supply from SMKW and maintain confidence in every shot.