CMMG DISSENT Mk4 AR Pistol .300 AAC Blackout 10.5in, Armor Black (Cerakote)
This CMMG DISSENT Mk4 is a pistol-format AR platform chambered in .300 AAC Blackout with a 10.5in barrel and a factory Armor Black Cerakote finish. It features a free-float M-LOK handguard, a full-length top Picatinny rail, and a 1913 Picatinny rear end cap with no buffer tube visible. The receiver is marked "DISSENT" and "Mk4" and is built from 7075-T6 aluminum.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Specific Condition Notes: There is little sign of prior use. The firearm is in excellent condition and function.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
What's Included
- Original CMMG factory box
- 1x Magpul PMAG 30 AR 300 B (GEN M3) .300 BLK/7.62x35 polymer magazine (30-round)
Configured as a pistol with no buttstock or stabilizing brace attached, this DISSENT Mk4 uses a 1913 Picatinny rear end cap and shows no buffer tube. The controls include a selector marked SAFE/SEMI.
The upper is set up with a full-length top Picatinny rail and an aluminum free-float M-LOK handguard, giving a clean, modern layout for mounting accessories where desired. A muzzle device is installed, though the branding is not legible.
Fit and finish are consistent across the receivers and furniture, with matching Armor Black color on the 7075-T6 aluminum receiver set. The pistol grip is a CMMG-marked polymer grip.
This example is identified by CMMG part number 30AC278-AB and is made in the USA. It ships with one 30-round .300 BLK PMAG and the original CMMG box.