Masterpiece Arms 300 Win Mag Bolt-Action Precision Rifle with Black Cerakote Finish
The Masterpiece Arms 300WMBA 300 Win Mag Bolt-Action Precision Rifle with Black Cerakote Finish is engineered for shooters who demand long-range accuracy, reliability, and tactical performance. Built on a Kelblys Atlas Tactical Black Nitrided Action Assembly and featuring a hand-lapped 416RQ Stainless Barrel, this rifle combines precision craftsmanship with modern tactical design. Available at Masterpiece Arm Shop, this rifle is perfect for hunters, precision marksmen, and competitive shooters.
Precision Performance and Engineering
The Masterpiece Arms 300 Win Mag Bolt-Action Rifle delivers exceptional performance at extreme ranges. The 26-inch heavy varmint profile barrel ensures consistent, repeatable shot placement, while the Kelblys Atlas Tactical Action provides smooth cycling and reliable operation. With a 1/2 MOA accuracy guarantee, this rifle performs flawlessly with factory ammo and handloads, making it ideal for both professional shooters and serious hunters.
Key Features
- Caliber: 300 Winchester Magnum
- Action: Kelblys Atlas Tactical Black Nitrided Action Assembly
- Barrel: 26-inch Hand-Lapped 416RQ Stainless Steel, Heavy Varmint Profile
- Barrel Twist: 1:10
- Barrel Muzzle Thread: 5/8-24 TPI
- Chassis Weight: 5.35 lbs
- Rifle Weight: 12.73 lbs (No Mag or Optic)
- Trigger: Trigger Tech, 1.5-4 lbs adjustable
- Muzzle Brake: MPA Muzzle Brake
- Magazine: AICS Type – 5 Round
- Coating: Black Cerakote
- Extras: Barrier Stop, Removable Front Bridge, Adjustable Length of Pull (13.75-15″)
Designed for Long-Range Shooting
The 300 Winchester Magnum caliber is ideal for extreme long-range hunting and precision shooting competitions. The Black Cerakote finish provides corrosion resistance and a sleek tactical look, while the heavy varmint barrel profile minimizes barrel vibration and maximizes accuracy. This rifle’s ergonomic design, combined with the MPA muzzle brake, ensures superior recoil management, allowing for quick and precise follow-up shots.
What’s in the Box?
- Masterpiece Arms 300WMBA 300 Win Mag Bolt-Action Precision Rifle
- (1) AICS 5-Round Magazine
- Owner’s Manual
Firearm Specifications
| Manufacturer | Masterpiece Arms |
| Model | 300WMBA |
| Caliber | 300 Winchester Magnum |
| Action | Kelblys Atlas Tactical Black Nitrided Action Assembly |
| Barrel | 26-inch Hand-Lapped 416RQ Stainless Steel |
| Barrel Twist | 1:10 |
| Barrel Profile | Heavy Varmint |
| Barrel Muzzle Thread | 5/8-24 TPI |
| Chassis Weight | 5.35 lbs |
| Rifle Weight | 12.73 lbs (No Mag or Optic) |
| Trigger | Trigger Tech, 1.5-4 lbs |
| Magazine | AICS Type – 5 Round |
| Muzzle Brake | MPA Muzzle Brake |
| Coating | Black Cerakote |
| Extras | Barrier Stop, Removable Front Bridge, Adjustable Length of Pull 13.75-15″ |
Shop Masterpiece Arms Rifles at Masterpiece Arm Shop
Discover our full collection of Masterpiece Arms rifles and precision firearms. Consider exploring other high-performance rifles like the 300 PRC Tungsten Cerakote Rifle or the 300 PRC Gun Metal Gray Rifle to compare features and finishes.
Final Thoughts
The Masterpiece Arms 300WMBA 300 Win Mag Bolt-Action Precision Rifle with Black Cerakote Finish combines precision engineering, durability, and extreme long-range performance. Featuring a Kelblys Atlas Tactical Action, hand-lapped barrel, and 1/2 MOA guarantee, this rifle is ideal for competitive shooting, tactical use, and precision hunting. Upgrade your shooting experience today at Masterpiece Arm Shop.




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