CMMG DISSENT Mk4 Complete Upper Receiver, .22 Advanced Rifle Cartridge (ARC) 16.1in Barrel 28B940CTNG

Product Description

The CMMG DISSENT Mk4 complete upper receiver group (MPN 28B940CTNG) is built for a compact, modern AR-style setup in .22 Advanced Rifle Cartridge (ARC). It features a 16.1-inch barrel and an optics-ready top Picatinny rail, paired with a long M-LOK handguard for flexible accessory mounting. Finished in a Tungsten Gray Cerakote, this upper is designed to pair with compatible Mk4/mil-spec AR-15 lowers for a streamlined build.

Product Highlights

• Complete CMMG DISSENT upper receiver assembly for Mk4 / mil-spec AR-15 lower compatibility
• .22 Advanced Rifle Cartridge (ARC) with a 16.10-inch barrel and 1:7 twist rate
• 15-inch M-LOK handguard and optics-ready Picatinny top rail for accessories and optics
• Non-reciprocating side charging handle for efficient, ergonomic operation
• Tungsten Gray Cerakote finish with threaded muzzle (1/2x28) and included CMMG muzzle device

Specs

• Brand: CMMG
• Model: DISSENT
• Type: Complete upper receiver assembly
• Caliber: .22 Advanced Rifle Cartridge (ARC)
• Barrel Length: 16.10 in
• Twist Rate: 1:7
• Muzzle Thread: 1/2x28
• Handguard: 15 in M-LOK
• Charging Handle: Non-reciprocating side charging handle
• Finish/Color: Tungsten Gray (Cerakote)
• Receiver Material: Aluminum (6061-T6 per source data)
• Overall Length: 25.5 in
• Manufacturer Part Number: 28B940CTNG
• UPC: 810148627522

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