This particular model of the Banshee comes in the legendary Classic 9mm Luger and comes with a variety of features to make for a fun AR-15 Pistol. The heart of this AR-15 pistol is the high quality 4140 chrome moly steel barrel that gives it good accuracy and longevity. Partnered with this nice barrel is CMMG's unique Radial Delayed Blowback, this system allows for a softer shooting experience in comparison to a traditional blowback. Being built around 45 ACP this pistol comes with an enhanced buffer. The CMMG line has also been updated to include a number of their Zeroed enhanced AR-15 parts. From the ambidextrous safety selector with adjustable throw angle to the new liner comp at the end of the muzzle this pistol is built to ensure an ergonomic shooting experience. - CALIBER 9MM - MAGAZINE (1) 33rd capacity - This Model Uses 9mm Luger Double Stack Glock Pattern Magazines - BARREL 5" 4140 Chrome Moly - MUZZLE 1/2x28 TPI w/ CMMG Zeroed Compensator - HANDGUARD CMMG EML 4 M-LOK - RECEIVER CMMG Zeroed Charging Handle - SAFETY AMBI Selector - TRIGGER Mil Spec - BUFFER TUBE Pistol style