Description
If you have ever fought with a ranger band or wrestled a looped shock cord to get your scope cap sitting right, the One Hundred Concepts ShockCollar Size 1 is the fix. It is a locking ring with eyelets that the shock cord threads through, so your cap stays snug and tensioned without any rubber band stretched around the optic body. The result is a cleaner setup that holds its position and does not slip.
What the ShockCollar Size 1 Does for Your Setup
This collar is built to pair with the Size 1 ScopeCap, and the sizing is straightforward: match the collar to the cap size you are running. Because the cord locks to the eyelets rather than cinching around the whole optic, you get a free range of motion with no binding or unlooping. That matters most on LPVOs where the magnification throw takes up a big chunk of the rear of the scope, and on optics with rotating oculars like the EOTECH Vudu and Nightforce ATACR where you need the ocular free to turn.
Built to Take a Beating
The ShockCollar is molded from the same tough, UV-resistant thermoplastic One Hundred Concepts uses across their caps, so it will not rust and it holds up to sun, heat, and hard field use without getting brittle. The included hardware is black oxide coated stainless steel, which keeps the fasteners low profile and corrosion resistant. At roughly 36mm tall, 40mm wide, and 7mm thick, it is a small, lightweight piece that disappears into your build.
Why Shooters Add One to Their Cap Setup
It is a simple upgrade that solves a real annoyance. Swapping the ranger band for a locking collar streamlines the whole install and makes pulling the cap off for a quick peek or a battery change far less fiddly. For anyone running a ScopeCap and tired of messing with rubber bands, this is the clean way to run it.
Key Specifications
- Manufacturer: One Hundred Concepts
- Model: ShockCollar
- Size: Size 1 (pairs with Size 1 ScopeCap)
- Manufacturer Part Number: OHC-CLR-1
- UPC: 3511144142206
- Color: Black
- Material: UV-resistant thermoplastic
- Hardware: Black oxide coated stainless steel screws and nuts
- Approx. Height: 36mm
- Approx. Width: 40mm
- Approx. Thickness: 7mm
- Approx. Weight: 10g
- Product Type: Scope Accessory
What’s Included
- 1x ShockCollar (Size 1)
- 2x hex screws in two lengths (15mm and 12mm)
- 2x nuts (one spare)
Frequently Asked Questions
What size ScopeCap does the ShockCollar Size 1 work with?
The ShockCollar Size 1 is made to pair with the Size 1 ScopeCap. One Hundred Concepts keeps sizing simple by matching the collar number to the cap, so if you are running a Size 1 cap, this is the collar you want. Just order the same size collar as the cap you plan to pair it with.
Do I need the ShockCollar to use a ScopeCap?
No, it is not required. The ScopeCap comes with a ranger band that works on its own. The ShockCollar is an upgrade that replaces that ranger band with a locking ring, which cleans up the install and makes battery changes and ocular adjustments easier.
Why does the ShockCollar come with two screws and two nuts?
It ships with two different length hex screws, 15mm and 12mm, so you can pick the one that fits the diameter of your optic or light. You only use a single screw for the install. The second nut is simply a backup in case you lose one.
Is the ShockCollar good for optics with rotating oculars?
Yes, that is one of its strongest use cases. Because the shock cord locks to the collar's eyelets instead of looping around the optic body, the ocular stays free to rotate without binding. That makes it a solid match for scopes like the EOTECH Vudu and Nightforce ATACR, as well as LPVOs with a large magnification throw.





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