FN Five-seveN pistol owners can rejoice, theres a new way to put your magazines to use. 5.7x28mm has quickly become the personal defense weapon caliber of choice for many. Offering near .22 LR levels of recoil and performance that rivals 5.56mm at close range its no surprise why. Even with a 5 barrel this BANSHEE sacrifices nothing when it comes to features. The Mk57 platform is designed to use FN Five-seveN pattern magazines and still offers the full range of AR15 operational features like last round bolt hold open and can utilize standard AR15 triggers. Available in a range of cerakote finishes, the BANSHEE series represents the most innovative AR pistols and SBRs available today. From the stylized receivers and EML handguards, every BANSHEE is tailor-made to be the personal defense weapon you can always depend on. EML7 handguards feature M-LOK slots at 3, 6, & 9 oclock positions and a full length picatinny top rail for accessories as well as an integrated handstop.