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The .300 Blackout cartridge was built from the ground up for short barrels and suppressors, and the CMMG Banshee MK4 gives it a proper home. The 12.5 inch barrel is machined from 4140 chrome moly steel with a medium taper profile and a salt bath nitride finish that shrugs off corrosion and holds up to high round counts. Muzzle threads come in the standard 5/8×24 pattern with CMMG's ZEROED linear compensator installed, which pushes blast and concussion forward instead of back at you. Spin it off and your can threads right on. The pistol-length gas system cycles everything from cheap supersonic range ammo to heavy subsonics, which is exactly what you want from a Blackout gun.
Most AR pistols in this class ship with mil-spec everything and expect you to upgrade later. CMMG went the other direction. The Banshee MK4 comes loaded with the company's ZEROED component line, including a drop-in single stage trigger, a 60/90 degree ambidextrous safety with adjustable throw, an ambi charging handle, ambi mag catch, and an extended mag release. The receivers wear a durable Black Armor Cerakote over aluminum, and the six-position RipBrace extends with a quick pull, no fumbling with adjustment levers when seconds matter.
The EML handguard runs full-length M-LOK slots along both sides and the bottom, with extra slots tucked between the top Picatinny sections, so lights, lasers, and hand stops all have a place to live. The flat top rail is optics ready out of the box, and since there are no factory sights, you get to pick the red dot or LPVO that fits how you shoot. Because the whole thing is built on CMMG's Mk4 AR15 platform, parts compatibility is wide open down the road.
At roughly 5.8 pounds with a Magpul 30 round PMAG in the box and CMMG's lifetime quality guarantee behind it, this is a compact, soft-shooting package that works as a truck gun, home defense setup, or the foundation for a dedicated suppressor host. It's a lot of well-thought-out firearm in a small footprint.
It's one of the better factory options for it. The .300 Blackout cartridge was designed with subsonic and suppressed use in mind, and the 12.5 inch barrel gives subsonic loads plenty of room to build velocity. The 5/8×24 muzzle threads are the standard pattern for .30 caliber cans, so just remove the linear compensator and thread on your suppressor.
No, this model ships optics ready with no sights installed. The full-length Picatinny top rail accepts red dots, LPVOs, or backup irons, so you can set it up however you like. Most owners run a red dot given the compact size and intended range of this pistol.
Yes. The pistol-length gas system is tuned to cycle a wide range of .300 Blackout loads, from lighter supersonic rounds to heavy 200+ grain subsonics. As with any Blackout gun, some very light subsonic loads may prefer a suppressor attached for the extra back pressure, but overall this platform handles ammo variety well.
Quite a few. CMMG equips it with their ZEROED parts kit, including a drop-in single stage trigger, 60/90 degree ambidextrous safety, ambi charging handle, ambi mag catch, and extended mag release. Add the adjustable RipBrace and Black Armor Cerakote receivers, and there's not much you'd need to swap out right away.
| UPC | 810148623609 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 30AB20F-AB |
| Action | |
| Barrel Length | 12.5" |
| Caliber/Gauge | .300 AAC Blackout |
| Capacity | 30 |
| Color | Black |
| Model | |
| Product Type | AR |
| Safety | Ambidextrous |
| Sights | Optics Ready |
| Length | 39.7000 |
| Number of Magazines | 1 |
| Sights Type | NONE |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
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