Hornady’s latest flat-shooting Advanced Rifle Cartridge and its 62-grain .22-cal. bullet are tailor-made for AR-15s and short-action bolt guns—and the author also found them to be “good medicine for bad dogs.”
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Often,wecantracefundamentalchangesincartridgecompositiontoasinglecomponent.Ifwegobacktothemid-1800s,weobservedthetransitionfrompaper-wrapped“cartridges”thatwerelittlemorethanconsumablespeedloaderstothemetallic-cased,self-containedroundsthatweremorelikewhatweusetoday.Fast-forwardafewyears,andtheinventionofmodernprimersspunusawayfromlargerrimfiresandtowardthecenterfiremodelthatmostofusassociatewithtoday’sriflerounds.Fromhere,thenextlargestchangeisundeniablytheswitchfromblackpowdertosmokelesspropellant.Assmokelesspowdercangeneratehigherpressureswithlightercharges,cartridgesstartedtoshorteninlength,shrinkinwidthandtheirborediametersgraduallytightened.Consideringthenotablecartridgesthathavebeenaroundforthepast100yearsorso,weseemedtohavetheself-containedcartridgeconceptdown.Exceptonecomponenthas
