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This is .223 ASYM Solid Defense X (SDX) Barrier 70gr. Barnes Copper TSX Ammo. This load features the solid copper 70 gr. Barnes TSX bullet. This bullet offers tremendous performance against barriers. The bullet stays intact after passing through intermediate barriers. This load performs particularly well in shorter barreled carbines, because it is designed to expand, not fragment. The expansion threshold for this bullet is approximately 1800 fps. Even fired from very short 10.5" barreled carbines, this expansion velocity threshold is maintained out past 200 yds. This load performs very well as a hunting round on medium sized game such as deer and antelope. A high quality, clean burning powder is used, specially selected for its high velocity potential at safe operating pressures, and relative insensitivity to temperature. Powder charges are extremely consistent. Best quality, Made in USA primers are used. The primers were carefully selected for their ideal cup thickness, sensitivity, uniformity, and brisance.
1 in 8" twist or faster barrels are required to stabilize this bullet.
Velocity: 2800 fps - 20" Colt 5.56 NATO 1 in 7" chrome lined
This ammo comes packed in 50rds. per box.
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