#SundayGunday: Ruger AR-556 MPR in .450 Bushmaster

Published on April 2, 2020
Duration: 2:45

This video reviews the Ruger AR-556 MPR in .450 Bushmaster, highlighting its suitability for large game hunting and its AR-15 platform compatibility. Key features include a 4140 chromoly steel barrel with 5R rifling, a two-stage trigger, and a free-floated M-LOK handguard. The rifle is presented as a capable option for those seeking a powerful, modern sporting rifle.

Quick Summary

The Ruger AR-556 MPR in .450 Bushmaster is a versatile rifle featuring a cold hammer-forged 18.5-inch 4140 chromoly steel barrel with 5R rifling for easier cleaning. It includes a threaded barrel for suppressor use, a radial port muzzle brake for recoil reduction, and Ruger's Elite 452 AR two-stage trigger breaking at 4.5 pounds.

Chapters

  1. 00:10Introduction to Ruger AR-556 MPR .450 Bushmaster
  2. 00:23.450 Bushmaster Cartridge Overview
  3. 00:43Ruger Rifle Design and Features
  4. 00:52Muzzle Brake and Recoil Reduction
  5. 01:04Barrel Specifications and Rifling
  6. 01:15Bolt and Gas System Details
  7. 01:42Ergonomics and Furniture
  8. 01:51Handguard and M-LOK System
  9. 01:55Trigger and Receiver Construction
  10. 02:15Price and Value Proposition
  11. 02:26Conclusion and Where to Find More Info

Frequently Asked Questions

What caliber is the Ruger AR-556 MPR reviewed in this video?

The Ruger AR-556 MPR reviewed in this video is chambered in .450 Bushmaster. This is a popular large caliber cartridge often used in AR-15 platforms for hunting large game.

What are the key features of the Ruger AR-556 MPR's barrel?

The Ruger AR-556 MPR features a cold hammer-forged 4140 chromoly steel barrel that is just over 18.5 inches long. It also incorporates 5R rifling for easier cleaning and has a 1:16 inch twist rate suitable for bullets between 170 and 260 grains.

Does the Ruger AR-556 MPR come ready for suppressor use?

Yes, the Ruger AR-556 MPR comes with a threaded barrel from the factory, which allows shooters the ability to easily attach a suppressor.

What type of trigger does the Ruger AR-556 MPR have?

The Ruger AR-556 MPR is equipped with Ruger's own two-stage Elite 452 AR trigger. This trigger is designed to break cleanly at approximately 4.5 pounds.

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