The Sig Sauer Elite Match Grade .300 Winchester Magnum 190-grain Open Tip Match (OTM) load is engineered for competitive marksmen and long-range purists who demand perfection at extreme distances. The primary headache when pushing a rifle past the 1,000-yard mark is vertical dispersion—where microscopic differences in velocity cause your shots to string up and down across the target. Sig Sauer crushes this performance bottleneck by pairing incredibly strict quality control with the legendary Sierra MatchKing projectile, giving you the flat, repeatable trajectories needed to dominate the firing line.
The technical advantage focuses on eliminating the variables that disrupt your bullet's flight path. Every single cartridge undergoes advanced electromechanical powder charge validation to ensure near-zero velocity standard deviations. Up front, the Sierra MatchKing OTM features a razor-thin jacket nose for near-perfect rotational symmetry, balanced by a precision boat-tail base that slices through atmospheric drag. This specialized design keeps the round stabilized against crosswinds and smooths out the turbulent transition into transonic zones.
Launching its 190-grain payload at a crisp 2,850 FPS, this round carries a high-efficiency 0.533 G1 ballistic coefficient that holds its speed exceptionally well over distance. Sig Sauer packs these rounds with temperature-stable propellants that deliver the same chamber pressure whether you are shooting in freezing winter matches or under scorching summer sun. Every round is seated in premium, uniform brass cases to ensure crisp ignition, smooth bolt-action feeding, and the laser-like, repeatable impacts you need when every point on the scorecard counts.
Key Benefits
- Legendary Sierra MatchKing OTM: Features a thin-jacket nose and precision boat-tail base for flawless rotational symmetry and minimal aerodynamic drag.
- Electromechanical Charge Validation: Advanced manufacturing processes keep powder charges uniform to virtually eliminate vertical stringing at long distances.
- Temperature-Stable Propellant: Specialized powder blend ensures identical muzzle velocities and ballistic performance across extreme weather shifts.
- Elite Long-Range Consistency: High-efficiency 0.533 G1 ballistic coefficient cuts through crosswinds and stabilizes seamlessly at extended ranges.
Technical Specification
- Ballistics: .300 Winchester Magnum | 2,850 FPS Muzzle Velocity | 0.533 G1 Ballistic Coefficient | Elite Match Profile
- Projectile: 190 Grain | Sierra MatchKing | Open Tip Match (OTM) | Precision Target Geometry
- Case/Primer: Premium Uniform Brass Case | Boxer Primed | Temperature-Stable Match Propellant | Reloadable
- Logistics: 20 Rounds Per Box | Elite Match Grade Series
- Dimensions: .300 Win Mag | ~1.35 lbs Per Box | SKU: E3WMM1-20
- Application: Long-Range Precision Competition | F-Class & Benchrest Shooting | Extreme-Distance Target Practice Past 1,000 Yards
- Standards: SAAMI Compliant | Match-Grade Factory Quality and Tolerance Benchmarks
When precision is non-negotiable, sourcing matters as much as performance. SMKW delivers verified, factory-fresh match-grade ammunition from trusted manufacturers like Sig Sauer, ensuring you’re running consistent, competition-ready loads every time. Lock in your supply with confidence from a proven industry authority.
