![]() 190 grain SUB-X 300 BLK PerformanceĪnd then came the test I was waiting for! I saw how the Match Master bullets performed in ballistics gel, now to compare with a bullet specifically designed for subsonic expansion: the SUB-X! A quick test on the scale showed the weight at 190.84 grains, most likely exactly what the bullet weighed before striking the ballistics gel. Amazing.Īs you can see in the picture above, the bullet looked to be in very good condition, the only obvious thing was the rifling marks engraved on the bearing surface of the bullet. I was able to find the bullet from shot 3 laying on the ground- following a path along the ground at the angle which the ballistics gel suggested the bullet was travelling as it exited the gel. Shot 3: (two blocks) Same result as Shot 2, but emerging from the side.Shot 2: (two blocks) Penetrated first block and part of second block, emerging from top of block.Shot 1: Went through the entire single block (only one setup for this shot).When we went to shoot this load with the ballistics gel, thigs didn’t exactly go as planned! Here’s the shot by shot breakdown: This load produced an average velocity of 1014.8 feet/sec which is a nice velocity for subsonic scenarios. This load and bullet is GREAT for shooting steel targets, but I had to know how they would do with ballistics gel. Aero Precision M4E1 FDE lower receiver modified to accept M16-style fire control group (safe, semi, auto)įor this story, I’m using a SilencerCo Hybrid 46 caliber suppressor.ġ90 grain Match Monster 300 BLK Performanceįirst up was the 190 Match Monster load which I’ve used previously.Some information about the rifle follows:Īnderson Manufacturing AR-15 300 Blackout Upper: Note: Ultimate Reloader is a Type 07 Firearms Manufacturer (FFL) and Class 2 SOT, otherwise this would be illegal. The rifle used in this story is a “special custom” full-auto AR-15. Always cross-reference load data with manufacturer’s published data. Ultimate Reloader is not responsible for errors in load data on this website. Brass: New Federal American Eagle 300 Blackout.Bullets: Hornady 190 grain 30 caliber SUB-X, Midsouth Match Monster 190 grain 30 caliber. ![]() Here you can see I’m using an Inline Fabrication Quick Change Ultramount as well! Load Components and DataĪbove: the components used for loads tested in this story: You’ll also want to check out the KMS Squared UFO press light, this thing works GREAT! Bullet seat (I showed at station #5 in the video).This ammunition was loaded on the Hornady Lock-N-Load AP 5-station progressive reloading press: WIDE RANGE OF GUNSĭesigned to fit, feed and function in a variety of firearms, including gas system guns. Lead core bullet with cannelured jacket provides positive case crimp for use in semiautomatics. Meets FBI protocol for terminal ballistic test requirements. ![]() Patented Flex Tip® technology aids in expansion at velocities as low as 900 fps. Cannelures provide positive case crimp, making Sub-X® ideal for semiautomatic weapons. Long grooves in its gilding metal jacket combine with its flat profile and the patented Flex Tip® insert within the bullet’s hollowpoint cavity to help it expand reliably at low velocities. Sub-X® (Subsonic - eXpanding) bullets deliver big results without a big bang! Designed to provide deep penetration below the speed of sound, Sub-X® features a lead core.
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