Faxon Firearms Match 6.5 Grendel Rifle Barrel 18inch Mid Length 1-8 Twist Bead Blasted 15BG8M18NTM-HL-5R-NP3. Manufactured in-house from gun-barrel-quality bar-stock the Match Series starts with 416-R in 5R rifling. 5R is a hybrid rifling with lands...