NRA Gun of the Week: Mossberg MMR Carbine

Published on July 9, 2016
Duration: 2:32

This review of the Mossberg MMR Carbine, presented by Christopher Olsen from American Rifleman, highlights its suitability for target shooting, hunting, and sporting use. The expert assessment details its gas-operated, semi-automatic action, 16.25-inch barrel with a 1:8 twist rate, and modular M-LOK handguard, positioning it as a versatile AR-15 platform option.

Quick Summary

The Mossberg MMR Carbine is a gas-operated, semi-automatic rifle chambered in 5.56x45mm NATO, featuring a 16.25-inch barrel with a 1:8 twist rate and a 13-inch M-LOK handguard. It weighs 6 lbs. 12 oz. and has an adjustable stock, making it a versatile option for sporting use.

Chapters

  1. 00:16Introduction to Mossberg MMR Carbine
  2. 00:25MMR Carbine Purpose and Item Number
  3. 00:38Physical Specifications: Weight and Length
  4. 00:50Barrel Details and Rifling Twist
  5. 01:09Grip and Trigger Guard Features
  6. 01:19Handguard and Accessory Mounting
  7. 01:38Internal Mechanics: Gas System
  8. 01:53Materials, Capacity, and MSRP
  9. 02:09Where to Find More Information

Frequently Asked Questions

What is the Mossberg MMR Carbine chambered in and what is its action type?

The Mossberg MMR Carbine is chambered in 5.56x45mm NATO and features a gas-operated, semi-automatic, center-fire rifle action. It is designed for versatility in sporting applications.

What are the key physical specifications of the Mossberg MMR Carbine?

The Mossberg MMR Carbine weighs 6 lbs. 12 oz. and has an adjustable stock, allowing for an overall length of 31.75 inches collapsed and 35.75 inches extended. It features a 16.25-inch barrel.

What type of handguard does the Mossberg MMR Carbine have and what are its accessory mounting capabilities?

The rifle is equipped with a 13-inch free-floating handguard featuring 41 M-LOK slots and a top Picatinny rail, offering ample space and options for mounting various accessories like optics, lights, and grips.

What is the rifling twist rate of the Mossberg MMR Carbine barrel and what ammunition is it optimized for?

The 16.25-inch carbon steel barrel has a button-rifled 1:8-inch twist rate. This is optimized for stabilizing heavier bullets, such as 77-grain loads, but is also suitable for lighter 60-grain ammunition.

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