AR-9/PCC(Pistol Caliber Carbine) Parts
51Fifty Rifles exclusive line of patent pending pistol braces for the AR platform
Fixed sights, red dots and rifle scopes
51Fifty Rifles exclusive line of muzzle devices to help tame your rifle or AR pistol
Our line of AR-9/PCC barrels has you covered from 9mm, .357 SIG & .45ACP
Take a look at our line of handguards for the AR platform in lengths from 5" to 20"
51Fifty Upper & Lower Receivers will allow you the most surface area of any receivers to engrave and make it yours.
51Fifty Rifles exclusive line of patent pending aluminum buttstocks for the AR platform allow levels of customization not seen before
Everything else you need to complete the evolution of your AR rifle or pistol