The BANSHEE AR15 lower receiver group, built on the Mk4 platform, is a versatile accessory for your firearm. It is compatible with any standard AR15 pattern upper group and all CMMG\'s conversion magazines, provided they match with the upper group. It\'s fully equipped with EML handguards and M-LOK slots on both sides, as well as the bottom of the handguard and between the top picatinny rail sections. The ZEROED components such as the pistol grip, the drop-in trigger, the 60/90 degree ambi safety, the linear compensator 5.56mm, the ambi mag catch, the extended mag release button, the AR15-ambi charging handle, the bolt catch, and the polymer duct cover are all included. The package also features a 30rd Magpul magazine, making it a comprehensive solution for AR15 users.