Chrome and Ni boron are easier to clean and nice and shiny.
I'd keep that extra $75 and get me a Carpenter 158 full auto MP HP tested bolt. BCM DD RA Addax.
I do have a chromed BCG, and while it does clean up faster, it also looks dirtier faster too
Assumption is the mother of all ****ups.
Know what you know, Know what you don't know. -Paul Pedzolt
"Jack of all trades, master of none, though oftentimes better than master of one" -Mynshul