Deal$20 off coupon code on all WMD coated BCGs from flawless tacticaluse code WMDBCGgreat BCGs comes with flawless tacticals money back guarantee. NiB-X has a Rc70 hardness value which is stronger than standard Nickel Boron, Chrome and Mag. Phos. With the added hardness you have a slick feel allowing the bolt carrier group to cycle twice as long as most bolt carrier groups without the need to oil and clean the rifle. Bolts come with MPI/9310 Logo. from Flawless Tactical |