XD9103 Black Caliber .357 SIG Capacity 10+1 Barrel 4.05" Sights Dovetail front & rear (steel) Size .357 SIG: 27 oz, 7" overall length Trigger Pull 5.5 to 7.7 lbs. Ultra Safety Assurance (USATM) action trigger system Magazines 2 Stainless Steel 10 rd., easy glide magazines (Law Enforcement & Export: 12 rd.  .357 SIG) 4 Inch Black The 4 inch XD combines safety with quality and ease of use. With the new Ultra Safety Assurance (U.S.A.) action trigger system, this polymer framed pistol is as comfortable as it is safe.