A staple in the Bergara lineup. The stock on the Bergara Premier HMR Pro (Hunting and Match Rifle) has an integrated mini-chassis for repeatable bedding. It supports a fully free-floated barrel. The stock has an adjustable cheek piece and length of pull spacers as well as integrated QD flush cup sling mounts and swivel mounts. The success of the B-14 HMR prompted the creation of the Bergara HMR (Hunting and Match Rifle) PRO rifle. The rifle is built on an adjustable precision stock with integrated mini chassis for repeatable bedding and accuracy. The #5.5 (#6 on heavy barrel rifles) tapered 416 stainless steel tapered barrel is 5/8x24 threaded for muzzle devices and the Bergara Premier action is compatible with AICS magazines. Features of the HMR PRO Rifle: Barrel Taper: #5.5 or #6 (Select Rifles) Bergara Premier Action TriggerTech Frictionless Release Technology Stock: Bergara HMR Molded with mini-chassis Integrated QD flush cup sling mounts and swivel mounts Scope Mount: Fits Remington 700 bases with 8 X 40 screws 5 Round AICS Style Detachable Magazine; 10 round in .223 Rem Rear butt-stock: Adjustable cheek piece and length-of-pull between 14.5" to 13" Full-length Integrated mini-chassis for repeatable bedding and supports fully free-floated barrel Muzzle: Threaded 5/8-24” with knurled thread protector (.450 Bushmaster features 11/16x24 threaded barrel) Bergara Premier Series HMR PRO .300 Win Mag Threaded Bbl 26" Rifle BPR20300MC