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#Subsonic 223 that cycles free#
Find a variety of subsonic, standard, and rimfire ammo on OpticsPlanet! We offer major brands, muzzle devices, and free shipping on orders $49 or more. I told him that I would see what I could find out. There are standard loads as well like subsonic 22, subsonic 223, and subsonic 9mm. sfguard said: Buddy of mine wants me to load up some sub-sonic 223 ammo for his m4 with a supressor on it.I tried to find some load data but had no luck. 223 subsonic load working with a standard AR15 platform that cycles. Yet, subsonic ammo isn't limited to specialty cartridges. Posts: 10 Joined: Sat 8:57 pm 223 Subsonic Cycling Load Data by Haymaker Sun 3:23 am For the past 7 months I have been trying to get a. With a 125-grain bullet, the result is a muzzle velocity of 2,215 feet-per-second with 1,360 foot-pounds of energy. 300 BLK pairs a large-caliber bullet with a smaller casing. 30-caliber cartridge was based on the popular 5.56mm NATO, a standard military round, but delivers a similar performance to the larger 7.62mm NATO, also a standard military load. One of the most popular and effective loads is 300 blackout subsonic. Therefore, subsonic loads are designed to strike the right balance of velocity and bullet weight. To do that, ammo makers design the round to travel at velocities below the speed of sound, which creates another problem altogether. The goal when designing a subsonic round is to reduce the noise of the initial crack caused by expelling gases. The benefit of using subsonic ammo is that it's quieter than standard ammunition and makes suppressed fire even more effective, but going subsonic poses a number of challenges for manufacturers.
