The CMMG MK4 Tungsten is a complete AR-15 upper receiver assembly chambered in 223 Rem/5.56 NATO, built around a 14.5" steel barrel. The barrel features a 1:7" twist rate optimized for heavier projectiles and utilizes a carbine-length gas system for reliable cycling. This upper assembly is designed for AR-15 platforms and provides a solid foundation for tactical and sporting applications. The MK4 series represents CMMG's commitment to quality manufacturing and precision engineering.
CMMG MK4 Tungsten Upper Receiver Assembly 223 Rem/5.56 NATO 14.5"
CMMG
MSRP:
$149.95
$117.38
(You save
$32.57
)
- SKU:
- ZAN55BA290TNG
- UPC:
- 810097506381
- Barrel Finish:
- N/a
- Ar-15 Accessory:
- Y
- No Direct Ship To California:
- No Direct Ship To California
- Barrel Length In Inches:
- 14.50
- Caliber:
- 223 Rem/5.56 Nato
- Barrel Material:
- Steel
- Rate Of Twist:
- 1:7"