Product Description
The CMMG Resolute MK4 upper receiver group in .22 ARC is built to deliver consistent function on the AR-15 platform while providing high-performance .22-caliber ballistics. This upper features a 16.10-inch barrel paired with a rifle-length M-LOK handguard for a long, stable sight radius and ample accessory mounting space. A 7075-T6 aluminum receiver and durable Cerakote finish round out a purpose-driven upper designed for precision-focused builds.
Product Highlights
- Chambered in .22 ARC for AR-15 compatible performance with flat-shooting, high-velocity capability
- 16.10-inch barrel with 1:7 twist for modern .22-caliber projectile stabilization
- 15-inch M-LOK handguard provides lightweight rigidity and flexible accessory placement
- 7075-T6 aluminum receiver construction for strength and durability
- CMMG Zeroed muzzle brake with 1/2x28 muzzle threads for recoil control and common device compatibility
Specs
- Brand: CMMG
- Model: Resolute (MK4 Upper Group)
- Caliber: .22 ARC
- Barrel Length: 16.10 in
- Twist Rate: 1:7
- Handguard: 15 in M-LOK
- Receiver Material: 7075-T6 Aluminum
- Barrel Material: Steel (4140 steel listed by some sources)
- Finish/Color: Coyote Tan Cerakote
- Muzzle Device: CMMG Zeroed Muzzle Brake
- Thread Pattern: 1/2x28
- Approx. Weight: 5.09 lb
- UPC: 810148627348
- Manufacturer Part Number: 28B260CCT
Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product’s manufacturer.
Customer Satisfaction Guaranteed
Most orders placed before 12 Noon (EST) ship same day and FREE SHIPPING on orders $50+
No-Hassle Returns for 30 days from your purchase date.
TLO is a family-owned, American small business in GA. We treat you right.