Ruger® AR-556® MPR Features

Published on September 14, 2017
Duration: 3:02

The Ruger AR-556 MPR is presented as a high-value, custom-built AR-15 platform. It features a cold hammer-forged 4140 chrome-moly steel barrel with 5R rifling for improved accuracy and ease of cleaning. The rifle includes premium components like Magpul furniture, a 15-inch M-LOK free-float handguard, and the Ruger Elite 452 two-stage trigger for enhanced performance and ergonomics.

Quick Summary

The Ruger AR-556 MPR boasts a cold hammer-forged 4140 chrome-moly steel barrel with 5R rifling for reduced fouling and easier cleaning. It features an 18-inch barrel with a lightweight contour for quick handling and velocity gains, complemented by a radial port muzzle brake and rifle-length gas system for softer recoil.

Chapters

  1. 00:00Introduction to the AR-556 Series
  2. 00:21AR-556 MPR Overview
  3. 00:41Barrel Technology and Rifling
  4. 01:06Barrel Contour and Handling
  5. 01:28Recoil and Gas System
  6. 01:49Handguard and Durability
  7. 02:16Elite 452 Trigger and Furniture

Frequently Asked Questions

What makes the Ruger AR-556 MPR barrel special?

The AR-556 MPR features a cold hammer-forged 4140 chrome-moly steel barrel with 5R rifling. This design reduces bullet jacket distortion, leading to slower fouling and easier cleaning, while the 18-inch length offers a velocity boost and quick handling.

What are the key upgrades on the AR-556 MPR compared to a standard AR-15?

The MPR includes premium components like Magpul MOE SL furniture, a 15-inch M-LOK free-float handguard, and the Ruger Elite 452 two-stage trigger with a 4.5-pound pull. It also features a radial port muzzle brake and a rifle-length gas system for improved handling and recoil management.

What is the trigger like on the Ruger AR-556 MPR?

The rifle is equipped with the Ruger Elite 452 two-stage trigger, which provides a crisp 4.5-pound pull. This offers a significant upgrade in precision and feel compared to standard mil-spec triggers found on many AR-15 platforms.

What is the benefit of the 5R rifling in the AR-556 MPR barrel?

5R rifling is designed to minimize bullet jacket distortion as it travels down the barrel. This results in less fouling buildup, making the barrel easier to clean and maintain over time, while also potentially improving accuracy.

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