SBR, BANSHEE, Mk4, 5.7x28mm, 8"

A modern favorite for many among personal defense weapon calibers, 5.7x28mm was designed to deliver a low recoil, flat shooting round with excellent penetration compared to other contemporary PDW calibers. If you like the modularity potential of the AR15 platform you're in luck, this BANSHEE is built on our Mk4 - AR15 platform which uses a standard AR15 lower receiver and our Gen II 5.7x28mm AR conversion mags, which means no need for a propriety lower.Available in a variety of cerakote finish options, the BANSHEE series represents the most innovative AR SBRs available today. From the quick deploying B5 Systems Bravo Stock, to the stylized receivers and EML(TM) handguards, every BANSHEE is tailor-made to be the personal defense weapon you can always depend on. With full length M-LOKslots on both sides and the bottom of the handguard as well as M-LOK between the top picatinny rail sections, you'll always have enough space for those must have accessories.With the wide range in ammunition available, and the option for suppressed operation, the available Action Tuning Kit will allow you to tune your system even more for added flexibility and smoother operation.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.**All NFA rules apply** All BANSHEE NFA SBRs (short barrel rifles) require additional ATF paperwork & processing time. See linked CMMG Resource article for more information.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 B5 Systems Bravo Stock 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 Drop-In TriggerZEROED Pistol GripZEROED 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 5.56mmLifetime 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.