CMMG Resolute MK4 16.1″ 10rd MID BRONZE

$1,762.97

The CMMG Resolute MK4 16.1″ 10rd MID BRONZE delivers ambidextrous controls, a mid-length gas system, and a lightweight 15-inch M-LOK handguard in a durable Mid Bronze Cerakote finish. Weighing just 6.44 pounds, it’s built for practical shooters who demand reliability and modularity.

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SKU: RSR|CMMG35A2C0A-MB Category:

Description

The CMMG Resolute MK4 16.1″ 10rd MID BRONZE is a carbine-length modern sporting rifle built on the proven MK4 platform. It combines a 16.1-inch barrel with a mid-length gas system and ambidextrous controls, delivering reliable handling and practical modularity. This rifle weighs 6.44 pounds unloaded and measures 32.5 inches overall—balanced for field use or the range.

Manufacturer CMMG
Model Resolute MK4
Material 7075-T6 aluminum upper/lower receiver, steel barrel
Compatibility Accepts standard AR-15 magazines and aftermarket parts
Finish Mid Bronze Cerakote
Weight 6.44 lbs (unloaded, per manufacturer specs)
Condition New

Key Features

  • 16.1″ Barrel with Mid-Length Gas System – Why it matters: The mid-length gas system softens recoil and reduces bolt carrier speed compared to a carbine-length system, improving reliability and shooter comfort over long sessions.
  • Ambidextrous Controls – Why it matters: Left-handed or right-handed shooters can operate the safety, bolt catch, and magazine release without shifting their grip, making transitions faster in dynamic drills.
  • CMMG EML15 M-LOK Handguard – Why it matters: The slim 15-inch handguard offers attachment points at 3, 6, and 9 o’clock plus a shortened top rail, letting you mount lights, lasers, or a bipod exactly where you need them without excess weight.
  • CMMG RipStock – Why it matters: This integrated stock features a friction-lock adjustment and a contoured cheek weld, providing a solid, repeatable shoulder position that stays put under recoil.
  • Mid Bronze Cerakote Finish – Why it matters: The durable ceramic coating resists corrosion and wear while giving the rifle a distinctive, subdued appearance that blends well in field environments.

Who It’s For

This rifle suits the practical shooter who values ambidextrous handling and a lightweight build. It’s a strong choice for competitive shooters running carbine courses, hunters who need a compact but accurate platform, and collectors who appreciate CMMG’s fit and finish. The Mid Bronze finish also appeals to anyone who wants a rifle that stands out from the usual black crowd without being flashy.

Pros & Cons

  • Pro: Ambidextrous controls make it genuinely left-hand-friendly, not just a mirrored safety.
  • Pro: Mid-length gas system provides smoother cycling than many 16-inch carbine-length rifles.
  • Pro: Handguard is slim and lightweight yet offers ample M-LOK slots for accessories.
  • Con: The 10-round magazine limits capacity compared to standard 30-rounders; you’ll need to swap mags if you want full capacity for competition or home defense.

Comparison

Feature CMMG Resolute MK4 Geissele Super Duty 16″ Timney Competition AR
Barrel Length 16.1″ 16″ 16″
Gas System Mid-length Mid-length Carbine-length
Controls Ambidextrous (safety, bolt catch, mag release) Ambidextrous safety only Standard (right-hand)
Handguard CMMG EML15 M-LOK, 15″ Geissele MK16 M-LOK, 13.5″ Timney M-LOK, 15″
Weight (unloaded) 6.44 lbs 6.85 lbs 6.5 lbs
Finish Mid Bronze Cerakote Black anodized Black anodized
Price $1,574.08 $1,899.00 $1,495.00

The CMMG offers full ambidextrous operation at a lower price than the Geissele, while the Timney lacks ambi controls entirely. If left-hand use or ambidextrous handling is your priority, the Resolute MK4 is the clear winner in this segment.

FAQ

What is the barrel twist rate?

Per CMMG specs, the 16.1-inch barrel uses a 1:7 twist rate, optimized for stabilizing 55-77 grain ammunition.

Does this rifle accept standard AR-15 magazines?

Yes. The lower receiver is built to mil-spec dimensions, so it works with any standard AR-15 magazine, including 10-round, 20-round, and 30-round options.

Is the Mid Bronze finish durable?

Yes. The Cerakote finish is baked on and resists scratches, solvents, and corrosion. It holds up well to holster wear and field use, though like any coating, it can wear at high-friction points over many thousands of rounds.

Can I install a different stock?

Yes. The buffer tube is standard mil-spec diameter, so you can swap the RipStock for any mil-spec carbine stock or brace.

Why Buy From Us

  • ✓ Nationwide delivery to all 50 states
  • ✓ Ships within 1-2 business days
  • ✓ 30-day return policy
  • ✓ Secure checkout with encryption

Explore more in our AR Rifles or CMMG Collection. Last updated: April 2026

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