CMMG Banshee Mk4 Pistol, .300 Blackout, 8-Inch Barrel, Tungsten Cerakote

The CMMG Banshee Mk4 pistol in .300 Blackout with an 8-inch black nitride threaded barrel and tungsten Cerakote finish (brand part no. 30AF20ATNG) is built for a cartridge designed to perform in subsonic, suppressed, and short-barrel applications on the AR15 platform. CMMG pairs the barrel with an EML M-LOK handguard that runs full-length M-LOK slots on both sides and the bottom, plus M-LOK between the top Picatinny rail sections. The pistol ships optics-ready with an ambidextrous safety, a quick-deploy CMMG RipBrace, and a 30-round Magpul PMAG included. Among AR pistols, this Banshee Mk4 favors shooters who want a suppressor-ready .300 Blackout build.

Key Specifications

• Chambered in .300 Blackout.
• Feeds from a magazine with a 30+1 capacity, including a 30-round Magpul PMAG.
• Features an 8-inch black nitride threaded barrel.
• Finished in tungsten Cerakote.
• Ships optics-ready with no fixed sights.
• Runs an ambidextrous safety.
• Handguard is an EML M-LOK unit with full-length slots on both sides and the bottom.
• Equipped with a quick-deploy CMMG RipBrace.
• Action type is semi-automatic

Frequently Asked Questions

Why choose .300 Blackout for this pistol? It’s designed for strong subsonic, suppressed, and short-barrel performance.

Does this pistol include a magazine? Yes, a 30-round Magpul PMAG ships with the pistol.

Buy the CMMG Banshee Mk4 Pistol, .300 Blackout

A suppressor-ready .300 Blackout build with a quick-deploy brace is exactly what this Banshee Mk4 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.