![]() ![]() The thumb-sized empties would sometimes bind on the ejection port cover or its opening. ![]() One detail that had to be changed was the ejection port cover. 50 caliber cartridge that wouldn't require any rifle modifications, but this was not to be. This out of a straight-wall case (there's a bit of taper for reliable feeding, but not much) operating at a controllable low pressure of 33,000 psi.Īlexander's goal was a. 50 Beowulf called for a 400-grain bullet, of. That's asking a lot of a standard pistol primer, so Alexander Arms loads with, and recommends the use of, magnum pistol primers. Depending on the bullet weight, type of powder and desired velocity, the primer has to ignite between 32 and 51 grains of powder. 50 Beowulf recommend a Large Pistol Magnum primer. It is a Large Pistol primer, although the reloading data for the. Alexander reduced it to the same diameter as the 7.62x39 and his later 6.5 Grendel cartridge, as he had a lot of experience making improved bolts-accomplished via different alloys and heat treatment in the case of the Beowulf. 50 AE was far too large for the bolt of the AR. 50 AE would have bounced back and forth inside the AR magazine and thus never be in the proper location for reliable feeding. Why the changes to the case dimensions? The stubby. At the same time, he had to reduce the rim diameter from the. 50 AE case from a nominal 1.285 inches to 1.65 inches. To make it fit an AR-15 magazine and feed properly-and provide the performance he wanted-Alexander lengthened the. 50 Beowulf became public back at the turn of the 21st century, when Alexander decided the various big-bore AR cartridges all had something wrong with them. To say he knows his stuff is to vastly understate his grasp of firearms. Alexander has an encyclopedic knowledge of firearms and engineering, and more than once I've walked away from a discussion with him, wondering how I could have passed various Materials classes back in college without the stuff he'd just told me. Alexander Arms is a small AR manufacturing company owned and run by Bill Alexander. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |