CMMG Mk4 B16 .223 Remington/5.56 NATO Black Nitride Rifle
Specifications
Action Single Action
Finish Black Nitride
Weight 7.2 pounds
Capacity 30+1
Grip Safety No
Optic Ready Yes
Barrel Length 16 inches
Manual Safety Yes
Overall Length 34 inches
Caliber / Gauge .223 Remington, 5.56 NATO
Threaded Barrel Yes
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
Description
Product Overview
The CMMG Mk4 B16 is a semi-automatic AR-15 style rifle chambered in .223 Remington / 5.56 NATO, built for modularity and repeatable performance. It features a nitrided bull barrel, a RKM11 KeyMod free-float hand guard, and a 16-inch barrel for a balanced setup. With a 6-position black synthetic stock and a single-stage trigger, it delivers a clean, consistent feel while staying optic ready for your preferred sighting system.
Key Features
- 16-inch nitrided 4140 chrome moly bull barrel for consistent shot repeatability
- RKM11 KeyMod free-float hand guard for modular accessory mounting
- Single-stage trigger for a straightforward break
- 6-position black synthetic stock for adjustable length of pull
- Optic ready with no factory iron sights included
- 30+1 capacity for extended range sessions
If you’re looking for an AR-style .223/5.56 rifle that emphasizes build quality and setup flexibility, the Mk4 B16 is a solid choice.
0 Reviews
- SKU:
- 55AACF1
- UPC:
- 815835018133
- BUDS ID:
- 28337
Free and Fast Shipping.
Compatible Ammo
Customers Also Bought
Customer Reviews
Be the first to leave a review!
Help other customers by sharing your experience with this product.
Guaranteed Lowest Prices
All purchases are backed by our Bud's Price Protection: Protect every purchase up to $100, free of charge!
Questions & Answers
Be the first to ask a question!
Got questions? Get answers from other customers and our experts.
Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505
Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876
Uncle Lee's - Greenville, KY
820 Main St, Greenville, KY 42345
