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The .40 S&W cartridge was developed from the 10mm cartridge. It has the same diameter bullet and case, but is shorter overall. The .40 S&W was developed after the infamous “Miami Shootout” between FBI agents and two serial bank robbers where it took in excess of six 9mm rounds to incapacitate each bank robber.1st Round Ammunition strives daily to provide you with safe, effective, and reliable ammunition. We know first hand how crucial the first fired round out of a firearm can be. Providing you with security and assurance for what ever reason you utilize a firearm is our missionThis cartridge is only manufactured with new components Loaded with a 115 gr Frangible projectile, this allows for a "lead free alternative to training. This cartridge can be used for self defense in areas where low penetration is a must! This cartridge can also be used for training on steel based targets with no fragmented "blow back."
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The 300 Blackout cartridge, also known as 300 AAC Blackout or Blackout has proven to be an effective means for taking thin skinned game cartridge within 100 yards. When containing a 220 grain Full Metal Jacket (FMJ) projectile, the .300 blackout travels at supersonic speeds. This means that the projectile travels more than 980 feet per second which is faster than the speed of sound.
SPECS: Cartridge:.300 AAC Projo. Grain: 220gr FMJ FPS: Approx. 980 FPS