308 Winchester/7.62mm NATO ballistics at longer ranges due to superior ballistic coefficients and despite producing half the recoil of the NATO round. Unveiled in 2003, the Grendel blew the doors off the. Competition shooter Arne Brennan and Lapua Engineer Janne Pohjoispaa aided in the effort. Alexander was seeking a more powerful AR-15 cartridge to hunt white-tailed deer. The 6.5 Grendel was the brainchild of Bill Alexander, owner of Alexander Arms and former British Ministry of Defense contractor. 21-inch atĢ,715 fps and resulted from 30 grains of Ramshot Of all of the incarnations of such AR-15 inspired cartridges, it could easily be argued the Grendel provides a superior combination of energy delivery, flattened trajectory and minimized wind drift at average 100- to 300-yard hunting ranges with the 6mm ARC providing better ballistics only when ranges stretch beyond 400 yards. 22 Nosler, 6mm ARC or 6.8 Remington SPC, as examples. 350 Legend, as examples, or creating fat-bodied cartridges held within the 2.26 inch confines of the AR-15 magazine, but enlarging the bolt head, like the. That goal has been addressed in the past by expanding the neck of the original. The 6.5 Grendel was one of a host of cartridges manufactured to increase terminal performance from the AR-15. Nosler 100-grain Partition, Hornady 120-grain ELD Match, Hornady 123-grain SST Bullets used to test the long-barreled 6.5 Grendel included, left to right, Speer 90-grain TNT,
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