Strike Industries Dummy Round, SIG 277 Fury, Aluminium, Blue, One Size, SI-DR-AL-277-BLU

277 Fury Caliber. Designed with the SIG SAUER XM7 Rifle in mind (US Army Variant of the MCX Spear) we had this product tested and evaluated by SIG and they've confirmed this dummy round's compatibility with the XM7 along with the SIG Cross (Bolt Action) rifle as well.