Starline Brass Unprimed Cases 9mm Luger +P 100/Pack 9MM+P Has No Difference From The Standard 9mm Luger Other Than headstamp Designation For Load Segregation. Due To Standard Case Design, It Will Handle +P pressures With No problems. Type: Unprimed Case Material: Brass Style: Small Length: 0.748"-0.754" Gun Type: Pistol Metal Type: Brass Caliber Or Gauge: 9mm Luger +P Quantity: 100 Per Bag Recommended Usage: Reloading