The Sig Sauer 300BLK Match Grade Centerfire Rifle Ammo is designed to bring out the best in today's high-performance AR rifles. The ammo features match grade brass cases and will run through standard 223 Remington/5.56mm NATO components including magazines. These Supersonic rounds feature Sierra Matchking projectiles for superior accuracy, increased downrange terminal performance, and low noise level characteristics.
| Series | OTM |
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| Caliber | 300 aac blackoutwhisper 762x35mm |
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| Application | Target/Competition |
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| Bullet Type | Sierra MatchKing |
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| Bullet Weight | 125 GR |
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| Muzzle Energy | 1343 ft lbs |
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| Boxes Per Case | 25 |
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| Rounds Per Box | 20 |
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| Casing Material | Brass |
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| Muzzle Velocity | 2200 fps |
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Determined at checkout.
