Bushmaster Firearms International based in Carson City, Nevada, United States, is an American manufacturer and distributor of firearms. The company's product line revolves around semi-automatic pistol and rifle variants of the M4 / AR-15 design. Now made
If you own an AR-15 chambered in 5.56 and are looking to upgrade it for hunting big game in North America, converting to .450 Bushmaster components can be an effective solution (you’ll mainly need to replace the upper receiver). Although you can use 5.56 magazines with .450 Bushmaster ro...
The .450 Bushmaster is the product of a joint effort between the cartridge designers at Hornady and the AR makers at Bushmaster who wanted a big-bore cartridge capable of fitting in a 5.56mm-sized magazine and a standard AR magwell. What emerged was ingenious but I’ve come to expect such...
Now for the bad news (...Which is minor...)... Ya need the ejection port milled out a bit on your upper if ya use a regular AR upper, or ya can just buy a pre milled one from AERO, if ya can find one. Ya also need a 450 Bushmaster bolt as well. The bushmaster cartridge ...