300 blk vs 556

The .300 BLK also reaches peak ballistic potential from a 9-inch barrel..30 Cal and 5.56 Suppressors. The 5.56 requires a 20-inch barrel to reach peak ballistic performance..300 Blackout vs. 5.56 NATO Strengths Weaknesses. Both .300 BLK and 5.56 NATO are intermediate-class rifle cartridges for target shooting, hunting, home defense, and plinking. Learn the history and performance of the 300 Blackout and 5.56 NATO, two popular AR cartridges that share the same case and are tailored for military use. Find out the differences between their ballistics, barrel length, suppressibility, and suitability for different AR platforms. Learn the history, performance, and use of the .300 Blackout and the 5.56 NATO rounds, two of the most popular calibers for AR-15 style rifles and pistols. Compare their ballistic characteristics, terminal ballistics, and shortcomings in this article. One notable difference between 5.56 and 300 BLK is bullet weight. The “standard” 5.56 NATO projectile weighs somewhere between 55 and 77 grains. The most common supersonic 300 BLK loads use 110- or 125-gr. bullets. 300 Blackout vs 556 Ballistics. The 5.56 NATO pushes lighter bullets at faster velocities, while the 300 Blackout launches heavier bullets at moderate and subsonic velocities. Learn the history, features, and performance of the 300 Blackout and the 5.56mm NATO rounds in this high-velocity AR-15 shootout. Find out which round is better for long-range, close-quarters, and suppression shooting, and how to convert your AR-15 to shoot them. A comparison of two popular hunting cartridges, the 5.56 NATO and the 300 Blackout, based on ballistics, shootability, and cost. Learn the pros and cons of each cartridge, and how to choose the best one for your hunting needs. 5.56. -The 5.56 is half the cost of 300 BLK and is available in more high-end loading suitable for precision rifle fire. -The 5.56 also shoots flatter, has less recoil, and the ammunition weighs about 40% less. -The 5.56 is also safer for use inside a building for home-defense because the rounds are designed to break apart upon impact. .300 Blk. Bullet Drop. However, it comes down to more than mere force, for at 200 yards, the 150-grain 300 Blackout round requires 15 inches of compensation due to the heavier, compared to the 2.4-inch demands of a 5.56 “Green Tip” round fired out of the same barrel length. Subsonic, starting at a considerably lower velocity, maintains its force but ... The answer to why you’d consider comparing the 5.56 NATO cartridge to the 300 BLK is simple: Because both cartridges are used for similar things, and both have a significant fan base within the same AR-15 platform community. We often see 300 BLK as the new hotness, while relegating 5.56 NATO to being out of date and less useful, but the truth ... John Lovell compares the 300 blackout with the 5.56 and discusses contexts you may want one over the other. 🎥 Try Our App! | Shows, training, etc Join at ... While going about 200 feet slower at 250 yards, the 300 Blackout has lost only a fourth of its speed and a little less than half of its total energy. By 500 yards 5.56 will have roughly a velocity of 1,210 fps with 179 ft-lbs of energy and 300 Blackout will be going at about 1,111 fps with 302 ft-lbs of energy. Answer (1 of 6): It's impossible to say which round is better, as 300 BLK and 556 have pros and cons and are intended for different purposes. However, your round choice is still a matter of your personal needs and goals. By this logic alone, 300 Blackout rounds are better than 5.56. Tumbling and fragmentation increase the size of the wound, but the 300 BLK will always have a slight size advantage over the 5.56. When comparing the same bullet design, M855A1 vs M80A1, the 30-caliber cartridge is superior. Don’t get me wrong, both will kill.