Because of our affinity with young shooters, we offer the Rossi MiniLoader muzzleloading rifle also fit with two of our most popular rifle and shotgun barrels. The .50 caliber MiniLoader is fitted with our top selling .22 LR rifle barrel and 20-gauge shotgun barrel. The .45 caliber MiniLoader sports our .22 LR rifle barrel and a .410 shotgun barrel. Each rifle barrel is button rifled for maximum accuracy and offers adjustable sights as standard equipment. The shotgun barrels all feature a modified choke, bead front sight and positive ejector. Every Rossi Muzzleloader Matched Set incorporates the transfer bar technology for added safety as well as manual safety on the receiver.