OSA Sig P320 Optic Cut – Vortex Venom
Upgrade your SIG Sauer P320 with a precision-machined Vortex Venom optic cut, allowing the optic to mount directly to the slide for maximum strength, improved durability, and a lower mounting height than adapter plates.
Every optic cut is CNC machined to exact specifications, ensuring proper optic fitment, improved sight picture, and dependable performance. Whether you're building a competition pistol, range gun, or defensive handgun, a direct-milled slide provides the most secure and reliable mounting solution.
Service Includes
- Precision CNC machining for the Vortex Venom footprint
- Direct optic mounting (no adapter plate required)
- Precision-machined recoil bosses for a secure optic fit
- Slide disassembly and reassembly included
- Iron sight installation included (customer supplied sights)
- Final inspection prior to return shipment
Cerakote Options
Choose the finish that best fits your build:
- Optic Cut Only (Cold Blued Machined Area)
- Single Color Cerakote
- Custom Camo Pattern Cerakote
Why Direct Mill Your Slide?
- Lower optic mounting height
- Improved durability over adapter plates
- Better recoil control with a lower sight axis
- More secure optic mounting
- Cleaner, factory-like appearance
Compatible Optic
Designed specifically for the:
- Vortex Venom
Shipping Instructions
When shipping or dropping off your slide, please include:
- A printed copy of your order invoice
- Your stripped or complete slide (disassembly is included)
Please do not send your frame, barrel, recoil spring assembly, magazines, or ammunition unless instructed otherwise.
Turnaround Time
Expected Lead Time: 3–4 Weeks
Every slide is individually machined, refinished, inspected, and test-fit before being returned to ensure the highest level of quality.
Precision Machining. Professional Finishing. Built the OSA Way.
