With just a 5" barrel this ultra-compact BANSHEE will fit almost anywhere you need it. The Banshee is built on our Mk4 AR15 platform which uses a standard AR15 lower receiver and our AR conversion mags.The BANSHEE series represents the most innovative AR pistols and SBRs available today. The EML4 handguards feature M-LOK slots at 3, 6, & 9 o'clock positions and a full-length Picatinny top rail for accessories as well as an integrated handstop.