The Ruger AR-556® MPR chambered in .450 Bushmaster (model 8522) is a versatile semi-automatic rifle designed to deliver substantial stopping power, making it ideal for hunting large game and target shooting. This model combines Ruger's renowned craftsmanship with features tailored to enhance performance and user experience.
 
Key Features
Caliber and Barrel:
Chambered in .450 Bushmaster, the rifle features an 18.63-inch cold hammer-forged barrel with a 1:16 twist rate, optimizing bullet stabilization and accuracy. The barrel is threaded with an 11/16"-24 thread pattern, allowing for the attachment of muzzle devices or suppressors.
Ruger® Muzzle Brake:
Equipped with a radial port design Ruger® muzzle brake, which significantly reduces felt recoil and muzzle movement, enhancing shooting comfort and control.
Free-Float Handguard:
The rifle features a 15-inch free-float handguard with Magpul® M-LOK® accessory attachment slots at the 3, 6, and 9 o'clock positions, providing enhanced ergonomics and customization options for accessories.
Ruger Elite 452™ AR-Trigger:
Includes the Ruger Elite 452™ two-stage AR-trigger, offering a smooth, crisp 4.5-pound trigger pull, improving accuracy and shooter confidence.
Magpul® Furniture:
Fitted with a Magpul® MOE® grip and MOE SL® collapsible buttstock on a Mil-Spec buffer tube, providing a comfortable and adjustable shooting experience.
Enhanced Bolt:
The .450 Bushmaster bolt is engineered with tapered lugs and machined from high-strength superalloy, supporting the large case head of .450 Bushmaster ammunition and ensuring durability and reliability.
Upper and Lower Receivers:
The flattop upper receiver is made from forged aerospace-grade 7075-T6 aluminum and includes a forward assist, dust cover, and brass deflector. The lower receiver is also forged from 7075-T6 aluminum, ensuring strength and longevity.
Magazine Capacity:
Comes with a 5-round metal box magazine, suitable for hunting applications where magazine capacity restrictions may apply.
 
Applications
Hunting:
The .450 Bushmaster chambering offers substantial stopping power, making it suitable for hunting large game such as deer and hogs. The rifle's features, including the muzzle brake and adjustable stock, enhance its suitability for various hunting scenarios.
Target Shooting:
The rifle's accuracy, enhanced by the free-float handguard and quality trigger, makes it an excellent choice for target shooting and practice, allowing shooters to hone their skills.
 
Specifications
Caliber: .450 Bushmaster
Barrel Length: 18.63 inches
Overall Length: 35.60 to 38.90 inches (adjustable)
Weight: Approximately 7.4 pounds
Stock: Magpul® MOE SL® collapsible buttstock
Handguard: 15-inch free-float with M-LOK® slots
Magazine Capacity: 5 rounds
Sights: None; optics-ready
Twist Rate: 1:16 inches
Trigger: Ruger Elite 452™ two-stage AR-trigger
Finish: Type III hard coat anodized
Thread Pattern: 11/16"-24
UPC: 736676085224
 
Why It’s Special
The Ruger AR-556® MPR in .450 Bushmaster stands out for its combination of power, accuracy, and user-friendly features. The inclusion of the Ruger Elite 452™ trigger allows for a smooth and crisp trigger pull, enhancing shooting precision. The rifle's adjustable stock and free-float handguard provide comfort and customization options, while the .450 Bushmaster chambering delivers the necessary power for effective big game hunting.
 
The Ruger AR-556® MPR chambered in .450 Bushmaster offers a balanced blend of performance, convenience, and adaptability, making it a reliable choice for both hunting and target shooting. Its thoughtful design and quality construction ensure consistent accuracy and dependability in the field.
 
Please visit the manufacturer's website for more information.