Benelli MR1: Not Actually an AR15!

Published on January 24, 2017
Duration: 13:20

This guide details the disassembly and reassembly of the Benelli MR1, a tactical rifle that deviates from AR-15/AR-18 designs. It highlights the MR1's unique gas system, derived from the Benelli M4, and its short-stroke piston operation. The process involves removing the muzzle nut and handguard, separating the receivers, and then removing the bolt carrier group. Expert instruction from Ian McCollum emphasizes the rifle's distinct mechanical features and its appeal to those seeking an AR-15 alternative.

Quick Summary

The Benelli MR1 is distinct from the AR-15 due to its gas-operated, short-stroke piston system and a triangular 3-lug rotating bolt, offering easier maintenance. It accepts standard AR-15 magazines, blending Benelli's reliability with AR platform compatibility.

Chapters

  1. 00:00Introduction to the Benelli MR1
  2. 01:11Mechanical Design and Action
  3. 02:24Controls and Ergonomics
  4. 02:59Disassembly and Internal Components
  5. 09:38Market Positioning and Conclusion

Frequently Asked Questions

What makes the Benelli MR1 different from an AR-15?

The Benelli MR1 utilizes a gas-operated, short-stroke piston system, similar to the Benelli M4, and features a unique triangular 3-lug rotating bolt, distinguishing it mechanically from the AR-15's direct impingement system and multi-lug bolt.

What is the bolt design of the Benelli MR1?

The Benelli MR1 employs a triangular 3-lug rotating bolt. This design is noted for being easier to machine and clean compared to the bolt systems found in traditional AR-15 rifles.

What is the gas system of the Benelli MR1?

The Benelli MR1 uses a gas-operated, short-stroke piston system, drawing inspiration from the Benelli M4 Super 90 shotgun's ARGO system. This system is known for its reliability and cleaner operation.

Is the Benelli MR1 compatible with AR-15 magazines?

Yes, although the Benelli MR1 typically comes with a 5-round factory magazine, it is designed to accept standard AR-15 magazines, providing users with commonality and flexibility in ammunition feeding.

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