If 10mm is the best millimeter for you, stop your search here. With an 8" barrel this Mk10 BANSHEE is built to extract the full ballistic performance expected of the 10mm cartridge. Glock-pattern magazines have come to be known for their reliability and affordability, and if you already have your own collection of 10mm Glock-pattern magazines going then they will be right at home with the Mk10. Comes with 3.4 oz bolt weight pre installed.Available in a variety of cerakote finish options, the BANSHEE series represents the most innovative AR pistols and SBRs available today. From the quick deploying RIPBRACE, to the stylized receivers and EML handguards, every BANSHEE is tailor-made to be the personal defense weapon you can always depend on. With full length M-LOK slots 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.Radial Delayed Blowback Operating SystemOriginally...