Reasons,,,,,,hhmmmplenty of'em,the bolt has advanced features that ensure cycle reliabilty,the gas system operates flawlessly,minimal cleaning if any,a clean gun is a more reliable gun,so keep it clean,if weight is an issue,go get stonger,your gal will like it also.I like the heavier duty barrell on the M1014 over the upcomming M4,-----don't be shy, do the work yourself,it will teach you to stay teachable M1014