Check the listing for details. MK Machining Scope Cap Sets for Vortex Diamondback Optics (MADE IN USA). Condition: New. Listed at 75.00 USD. MK Machining Scope Cap Sets for Vortex Diamondback OpticsMK Machining is excited to offer Vortex Diamondback Scope Caps. Our Scope Cap Sets are made out of a Nylon 11 material using one of our HP MJF 5210 3D Printers. Nylon 11 is slightly flexible to fit over your scope objective without becoming brittle and is strong enough to handle wear and tear. Our scope cap sets are sized down to .000 for a precise fit. No one size fits most options here. Scope caps feature a custom made spring for full range opening and closing of the cap without unnecessary noise. Caps slip over the objective and are tightened down using a single bolt. Compatible with MK Machining ARDs.This Objective Cap has been tested to work with following Vortex scope. These scope cap sets will only fit the listed Vortex scopes. If you are unsure of which one to order contact us for assistance. Brand Model Objective Lens Eye Piece Size Vortex Diamondback 1.75-5X32 1.556" 1.695" Vortex Diamondback 2-7X35 Rimfire 1.725" 1.695" Vortex Diamondback Tactical 4-12X40 1.865" 1.735" Vortex Diamondback 3-9X40 1.895" 1.695" Vortex Diamondback 4-12X40 1.895" 1.695" Vortex Diamondback Tactical 4-16X44 2.016" 1.735" Vortex Diamondback Tactical 6-24X50 2.244" 1.735" Vortex Diamondback 3.5-10X50 2.296" 1.695" *Photo is for illustrative purposes only