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This is serious match ammunition, built for precision and consistency from the ground up. Sig Sauer loads each round with a 125 grain Sierra Match King Open Tip Match projectile and backs it with electromechanical monitoring to ensure geometric conformity that separates match-grade ammo from standard loads.
The 125 grain Sierra Match King bullet is a time-tested choice for competitive shooters and precision rifle work. These bullets are engineered for minimal dispersion and deliver the accuracy you need whether you're ringing steel at 100 yards or pushing targets out further. Sig Sauer's match-grade loading process pairs these bullets with consistent components selected to minimize velocity variation, meaning your shots print tight groups without the variance that creeps into standard ammunition.
At 2200 feet per second, this is a supersonic load that delivers flat trajectory and excellent downrange performance. The round works equally well on unsuppressed platforms or paired with a suppressor, giving you flexibility depending on your setup. Sig Sauer specifically engineered this load with staked primers that resist backing out under the pressures of suppressed fire, addressing a real-world issue that matters when you're running a can.
Each round features optimized brass cases and premium primers designed to withstand the firing cycle and deliver consistency shot after shot. The brass is reloadable for those who want to extend their ammo investment, though the precision you get from factory loads makes these worth shooting as-is. Match-grade brass means tighter tolerances and better uniformity across the entire box, translating directly to smaller groups on your target.
This load runs 2200 fps and is optimized for flat trajectory and distance performance. Subsonic .300 Blackout uses heavier bullets (typically 220 grain) at much lower velocities under 1000 fps for noise reduction with suppressors. If you want to maximize range and accuracy without a suppressor, this supersonic match load is your choice. It still works fine with a suppressor but won't give you the hearing-safe sound signature of subsonic loads.
Absolutely. The 125 grain Match King projectile has proven effective for varmints and small to medium game when shot from a quality AR-15 platform. The match-grade construction means consistent accuracy, which matters more for ethical hunting than anything else. Many shooters prefer this over standard hunting rounds because the precision loading delivers more predictable and tighter grouping at hunting distances.
Yes, these come with reloadable Boxer-primed brass cases. The match-grade brass is of higher quality than standard ammo brass, with better uniformity for those who develop custom loads. Since Sig loaded these to match-grade standards, you're starting with premium brass that will hold multiple reloads if handled properly.
Exactly. The .300 Blackout was designed so you only need a barrel swap on a standard AR-15 to convert from .223/5.56. These rounds function in any .300 Blackout AR upper with the right magazine fed to the chamber. No special tools or modifications needed.
| UPC | 798681726615 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | C300A1-20 |
| Shipping Weight | 0.696 |
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