NRA Gun of the Week: Mossberg MMR Carbine

by
posted on July 9, 2016
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **

The Modern Mossberg Rifle, MMR for short, is Mossberg’s take on the popular semi-automatic AR-15 rifle. This particular rendition of the Stoner design lacks features like a forward assist, delta ring, two-piece handguard and barrel-mounted gas block with sight post. Instead Mossberg is using a proprietary fore-end, similar to its previous models, but enhanced to save on weight and provide space for additional accessories with 41 M-LOK-compatible cut-outs. Picatinny rails span the top surfaces of the upper receiver and fore-end. The company’s use of Magpul’s MOE grip and enlarged trigger guard enhance its utility and handling. Factory equipped, rail-mounted iron sights and a 30-round magazine enable the shooter to unbox the rifle and head to the range.

To learn more about the MMR line, visit mossberg.com

Model: MMR Carbine
Manufacturer: O.F. Mossberg & Sons
Action: gas-operated, semi-automatic, center-fire rifle
Caliber: 5.56x45 mm NATO (.223 Rem.)
Barrel: 16.25”
Receivers: aluminum
Finish: black anodized receivers; phosphate barrel
Stock: adjustable rear, M-LOK-compatible aluminum fore-end
Sights: adjustable; Picatinny rail for optics
Magazine: detachable box, 30-round capacity
Trigger: 4 lbs., 9 ozs.
Weight: 6 lbs., 12 ozs.
MSRP: $910

Latest

Mossberg 990 Magpul shotgun
Mossberg 990 Magpul shotgun

New for 2026: Mossberg 990 Magpul and 990 SPX Aftershock

Mossberg steps up its 990 game with a new Magpul shotgun and SPX firearm.

New for 2026: Gemtech Nebula 5.7 Direct-Thread Suppressor

Gemtech’s Nebula is a 5.7x28 mm-specific sound suppressor.

I Have This Old Gun: De Lisle Commando Carbine

The De Lisle "Commando Carbine," as it came to be known, provided British special operators with a suppressed firearm that could be used to take out targets without arousing the attention of nearby troops.

Q&A: Same Cartridge, Two Different Primer Types

Q: How do No. 34 large rifle primers from CCI differ from the standard large rifle type?

New for 2026: Stoeger STR-9 Thinline+ Pistol

Stoeger refines its STR-9 Thinline pistol to be even easier to carry.

Finding The Natural Point Of Aim

Nearly every shooter understands the basic principles of marksmanship: position, grip, sight alignment, breathing, trigger control and follow-through.

Interests



Get the best of American Rifleman delivered to your inbox.