CMMG 30AC278AB Dissent MK4 30+1 10.50", Black, Picatinny Brace Adapter, 9.60" M-LOK Handguard, Left Side Charging Handle, Zeroed Linear Comp, TriggerTech Trigger, Adj. Gas Block
CMMG
Overview
The CMMG 30AC278AB Dissent MK4 30+1 10.50", Black, Picatinny Brace Adapter, 9.60" M-LOK Handguard, Left Side Charging Handle, Zeroed Linear Comp, TriggerTech Trigger, Adj. Gas Block is a gas block. Compare prices from multiple merchants and find the best deal.
Specifications
CMMG 30AC278AB Dissent MK4 30+1 10.50", Black, Picatinny Brace Adapter, 9.60" M-LOK Handguard, Left Side Charging Handle, Zeroed Linear Comp, TriggerTech Trigger, Adj. Gas Block
Build history on GunPartPicker
Builders have been adding the CMMG 30AC278AB Dissent MK4 30+1 10.50", Black, Picatinny Brace Adapter, 9.60" M-LOK Handguard, Left Side Charging Handle, Zeroed Linear Comp, TriggerTech Trigger, Adj. Gas Block to their builds on GunPartPicker since June 2026. All time, it ranks #55 of the 185 gas blocks builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today both retailers we track have it in stock. Prices barely moved in September 2026, holding around $1,644.37, so there haven't been real sales lately. Buying today, the lowest price is $1,644.37 at Classic Firearms, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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