Description
Bergara built its reputation on barrels, and the Premier HMR Pro is where that reputation earns its keep. The 26 inch No. 5.5 taper barrel starts as 416 stainless steel, gets Bergara's proprietary honing treatment at their facility in Spain, then receives a Tactical Gray Cerakote finish stateside. Chambered in .300 Win Mag, that full-length tube wrings every bit of velocity out of the cartridge, which matters when you're stretching shots on elk across a canyon or ringing steel past 1,000 yards. The muzzle is threaded 5/8×24 for a brake or suppressor, and at around 9.6 pounds bare, the rifle has enough heft to help soak up magnum recoil without becoming a boat anchor.
The Premier Action Behind the HMR Pro
This is a step up from the B-14 line, and the action is a big reason why. The Premier action runs a two-lug system with a floating bolt head that ensures consistent lug contact, plus a coned bolt nose and sliding plate extractor for slick feeding and positive extraction. The bolt components are Nitrided for durability and a naturally slippery feel when cycling. A TriggerTech frictionless-release trigger handles fire control, and the two-position safety lets you work the bolt and unload with the safety engaged. Quick-detach firing pin access means you can pull the whole assembly with a quarter turn for cleaning.
HMR Pro Stock: Hunting Fit Meets Match Stability
The molded stock hides a full-length integrated mini-chassis that gives the barreled action a repeatable, rigid bedding platform and keeps the barrel fully free-floated. Adjustable comb height and length of pull let you dial in your fit behind the scope, and QD flush cups plus standard swivel studs cover sling and bipod setups. The receiver is drilled and tapped for Remington 700 pattern bases with 8×40 screws, so mounting glass is straightforward, and it feeds from the included 5-round AICS-style detachable magazine. Bergara backs this rifle with a sub-MOA guarantee, and the HMR Pro has the track record to make good on it.
Key Specifications
- Manufacturer Part Number: BPR20-300MC
- UPC: 043125300181
- Caliber: .300 Winchester Magnum
- Action: Bolt Action, Bergara Premier Action
- Barrel Length: 26 inches
- Barrel Material: 416 Stainless Steel, No. 5.5 Taper
- Barrel Finish: Tactical Gray Cerakote
- Thread Pattern: 5/8×24 TPI
- Capacity: 5+1
- Magazine: AICS-Style Detachable
- Trigger: TriggerTech Frictionless Release
- Stock: Molded with Integrated Mini-Chassis, Adjustable Comb and LOP
- Overall Length: 45.5 inches
- Weight: Approx. 9.6 lbs
- Safety: 2-Position
- Scope Mounting: Drilled & Tapped for Remington 700 Bases (8×40 screws)
What’s Included
- Bergara Premier HMR Pro rifle
- One 5-round AICS-style detachable magazine
- Owner's manual
Frequently Asked Questions
Is the Bergara HMR Pro accurate enough for long-range shooting?
Yes. Bergara guarantees sub-MOA performance from the HMR Pro with quality factory match ammo, and the combination of the hand-honed 416 stainless barrel, Premier action, and mini-chassis bedding makes that a realistic everyday expectation. Plenty of owners run these rifles well past 1,000 yards. Pair it with good glass and consistent ammo and the rifle will not be the weak link.
Can I mount a suppressor or muzzle brake on the HMR Pro 300 Win Mag?
The 26 inch barrel comes threaded 5/8×24, which is the standard pattern for most .30 caliber brakes and suppressors. A brake is a popular add-on here since .300 Win Mag produces stout recoil. The muzzle ships with a thread protector installed.
What scope bases fit the Bergara Premier HMR Pro?
The receiver is drilled and tapped for Remington 700 pattern bases using 8×40 screws, so your mounting options are wide open. Just make sure the base or rail you pick is specifically the 8×40 screw version rather than the more common 6×48. A one-piece 20 MOA rail is a smart choice if you plan to shoot at extended distances.
Does the HMR Pro take standard AICS magazines?
It does. The rifle feeds from AICS-pattern detachable box magazines and ships with one 5-round mag in the box. Any quality AICS long-action magazine sized for .300 Win Mag will run in this rifle, which makes finding spares easy.




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