Built on the capable and proven Mk4 - AR15 platform, this BANSHEE(TM) comes with the shortest 9mm barrel CMMGhas to offer, making this the most compact 9mm AR that utilizes our9mm conversion magazines.Available in a range of Cerakote finishes, the BANSHEE series represents the most innovative AR pistols and SBRs available today. From the quick deploying RIPBRACEto the stylized receivers and EML(TM) handguards, every BANSHEE is tailor-made to be the personal defense weapon you can always depend on. New EML4 handguards feature M-LOKslots at 3, 6, & 9 o'clock positions and a full-length Picatinny top rail for accessories as well as an integrated handstop.Radial Delayed Blowback(TM) Operating SystemOriginally developed for the .45 ACP MkG platform, CMMG has adapted our Radial Delayed Blowback system across our pistol caliber lineup to create pistols and rifles with a softer recoil impulse and reduced bolt weight compared to traditional straight blowback systems. Check out our CMMG Resources article & video to learn more about what sets Radial Delayed Blowback apart.Mk4 ZEROED parts and accessories - Quality comes standardThe AR15 platform is well known for its capability for customization but picking the right parts doesn't have to be a nightmare of homework. Everything from the RIPBRACE to the full kit of ZEROED parts and accessories are made here in the USA with quality and attention to detail that is second to none and each BANSHEE comes equipped with a slew of ZEROED parts standard, including:ZEROED Pistol GripZEROED Drop-In TriggerZEROED Trigger GuardZEROED 60deg/90deg Ambi SafetyZEROED AR15 Ambi Charging HandleZEROED Ambi Mag CatchZEROED Extended Mag Release ButtonZEROED AR15 Bolt CatchZEROED AR15 Polymer Dust CoverZEROED Linear Compensator 9mmLifetime Quality GuaranteeWe aim to please, that's why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Learn More.~Firearms shipping to states with magazine capacity restrictions will only ship with 10rd magazines in place of standard capacity magazines. CMMG does not address any other state compliancy requirements for further restricted states.