338 spectre next to 300 blackout12/5/2023 ![]() In my opinion, the primary advantage of the Norma magnums (both 300 and 338) is that the shorter case is much better suited for repeating actions that must feed from a magazine. Even with a CIP length 338 magazine, the length of the Lapua case forces you to push a 300 grain bullet deep into the powder column (a problem that will only be exacerbated by the forthcoming Berger 329). The Norma magnums allow you to seat the bullet in an optimal position while still fitting in a magazine. The Lapua really shines in a properly throated single shot rifle with COAL in the ~3.9+" range.Īssuming a 230 Berger at 2950 and a 300 Berger at 2850, performance is close between the 300 Norma and 338 Lapua. The Lapua will have less wind drift at all ranges, significantly more energy at all ranges, and superior ballistics beyond 1500 yards. The advent of Lapua brass in 2018 for the 300 Norma is a major development, and I expect it will accommodate higher pressures than the Norma brand brass with ease. If that leads to another 100fps of muzzle velocity with good brass life, the 300 Norma becomes even more attractive.The 5.56 NATO compared to the 8.6 Blackout. The 8.6 Blackout is quickly becoming the new hotness in the cartridge world. Often referred to as the 300 Blackout’s big brother, it fills the same subsonic role in an AR-10 platform. It wasn’t long after the 8.6 was introduced that people started to identify that it was almost identical to the. The 8.6 Blackout is closely compared to the 338 Federal. ![]() However, it differs from the 338 in both bullet weight and velocity. The 8.6 shoots a heavier bullet much slower than the 338 Federal. Other than looks, the two cartridges are very different.ĭespite being very different, they both fulfill their unique roles within the hunting world. The 8.6 Blackout, also known as the 8.6 BLK, 8.6×43, and 8.6 Creedmoor, was developed and invented by Kevin Brittingham and the crew at Q, Discreet Ballistics, and Hornady. It is a trimmed-down 6.5 Creedmoor case that is necked up to accept. 338 diameter bullets in standard 7.62 NATO Magazines without modification. The 8.6 Blackout was designed for use in semi-automatic rifles, specifically the AR-10 platform. Currently, the ammunition producers are loading supersonic loads with 210 gr bullets and subsonic with 288-300 gr bullets. The 8.6 Blackout is good for hunting all-sized game animals at subsonic velocities. Using supersonic loads, Kevin Brittingham shocked everyone by taking the 8.6 Blackout to Africa and taking a Cape Buffalo with it, widely considered one of the world’s toughest animals. Take a Look at the 8.6 Blackout Ballistics Here! The. 33-08 wildcat, effectively renaming it the. This was the first time Federal attached their name to a caliber. Advertised as a non-magnum cartridge with magnum energy, it is made by necking. This created a compact and powerful package ideally suited for 180-210 grain bullets.
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