Safariland Ballast OWB Holster SAFA-BLST-3-2835-1-2-D0-411. Ballast's Lightweight And Durable Design Stands Up To The Toughest Conditions. A Proprietary Crush-resistant Design Shields Ballast's Internal Components And Safariland's New Ingress Guard Further Protects The Trigger Inside The Holster.with A Minimalist Footprint Ballast Maximizes Duty Belt Efficiency Allowing Patrol Officers To Carry Full-sized Firearms Without Sacrificing Belt Space.an Internalized Als Lever Lock Spring Shields Ballast's Core Security Mechanism. The Textured Als Lever Allows For Improved Thumb Contact And Ergonomics. And For Added Versatility A Redesigned Cantable Ubl Belt Mount That Supports 15 Forward Or Rearward Angles Or Vertical Alignment For Maximum Comfort And An Efficient Draw Stroke.trust The Safariland Ballast " Your Stabilizing Force For Every Shift. Package Contents: Safariland Ballast Holster What firearm models does the manufacturer say Safariland Ballast Holster is compatible with? The manufacturer says that Safariland Ballast Holster is compatible with Glock 19 SIG Sauer P320 X-Full Glock 17 SIG Sauer P320 X-Carry