Sig Sauer Round M18, Striker Fired, Semi-automatic, Polymer Frame Pistol, 9MM, 3.9" Barrel, PVD Finish, Coyote Tan, SIGLITE Night Sights, Manual Thumb Safety, Optics Ready, 3 Magazines, (1) 17-Round and (2) 21-Round 320CA-9-M18-MS • Action: Striker Fire • Capacity: (2) 21+1 & (1) 17+1 • Finish: Coyote Brown • Sights: SIGLITE W/ Removable Night Sight Plate • Barrel length: 3.9 • Overall length: 7.2 • Blk Controls/ Built for Romeo1PRO or Deltapoint PROOptic Ready/Removable NS Plate Carry Length Grip Module Picatinny Light/Accessory Rail • Action: Striker Fired • Capacity: 21 + 1 • Finish: Coyote PVD • Sights: FS:Siglite/Ngt Sgt Rear Plate • Barrel length: 3.9" • Overall length: 7.2" • 15in Free-Float MLOK Rail/ Ambi Bolt Release