The NEW FMK G3 has an optic-ready slide that does not require mounting plates! The new custom-designed slide allows mounting any Burris Fastfire 3 Vortex Viper Vortex Venom or Trijicon RMR optics. Each FMK9C1-G3 comes with a polished stainless steel barrel redesigned metal slide stop and Fast Action trigger mechanism for the shooting enthusiast who prefers a quick short trigger pull with a drop-free magazine.Features: Model: G3 Caliber: 9 mm Action: Single-Action Magazine Capacity: FMK 10+1 magazine FMK 14 +1 rd Magazine and FMK 17+1 rd Magazine Slide: High-Carbon Steel Barrel: Stainless Steel Frame: Polymer (OD Green Burnt Bronze Dark Earth Titanium Grey Black Pink Blue Jay Sniper Grey) Sights: Third-Party Glock 19 Compatible Sights Barrel Length: 3.87" Twist: 1:16" LH Rifle Grooves: 6" Overall Length: 6.85" Height: 5.09" Width: 1.14" Weight: 23.45 oz.