Zenitco RK-1 Vertical Grip for Picatinny Rail
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- $109
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Available Options
In short: The Zenitco RK-1 is a mid-length vertical grip for a lower Picatinny rail. Its D16T body includes a sealed compartment for small accessories.
Compatibility checkpoint
- Direct interface: lower Picatinny rail.
- Documented accessory: the Zenitco B-9 rail provides a compatible Picatinny section.
- Different interface: RK-1 does not mount directly to the Bazis rail. Choose the Zenitco RK-1L for Bazis.
Purpose
RK-1 provides a full vertical gripping surface while keeping a sealed storage compartment in the screw-off base.
Technical specifications
| Interface | Picatinny rail |
|---|---|
| Material | D16T alloy |
| Weight | 160 ± 5 g |
| Dimensions | (110 × 47 × 38) ± 5 mm |
| Operating range | −50°C to +50°C |
| Documented service and storage warranty | 60 months |
| Colors on this card | Black, desert and golden khaki |
What's in the Box
- RK-1 grip — 1
- Hex key — 1
- User manual — 1
Installation
- Loosen the clamp screws far enough to position the grip on the Picatinny rail.
- Seat the clamp fully in the selected rail position.
- Tighten the screws evenly and verify that the grip is secure before use.
For a shorter direct-Picatinny option, compare the Zenitco RK-0. For a low-profile hand stop, compare the Zenitco RK-6.
Frequently asked questions
Does RK-1 mount directly to Picatinny?
Yes. Its integrated clamp mounts to a lower Picatinny rail.
Does RK-1 include storage?
Yes. The screw-off base closes a sealed internal compartment.
What is the difference between RK-1 and RK-1L?
RK-1 uses Picatinny. RK-1L mounts directly to the Zenitco Bazis interface.
What is included?
One RK-1 grip, one hex key and one user manual.
General
Brand
Zenitco
Condition
New
Material
D16T alloy
Color / Finish
Black, desert or golden khaki
Weight
160 ± 5 g
Dimensions (L x W x H) mm
(110 × 47 × 38) ± 5 mm
Operating Temperature
−50°C to +50°C
Mounting & Rails
Mounting method
Integrated screw clamp
Rail Type
Lower Picatinny rail
Function
Mid-length vertical grip with a sealed internal storage compartment
Kit Contents
Includes
RK-1 grip, hex key and user manual
Care & Chemicals
Compatible platforms / hosts
Any layout with a compatible lower Picatinny rail and sufficient rail length/clearance
Required interface / configuration
lower Picatinny rail through the integrated screw clamp
Resulting interface / function
mid-length vertical grip with sealed internal storage
Exclusions / limitations
Bazis, M-LOK, KeyMod or other interfaces without a Picatinny adapter and positions without clearance
Customer feedback
Reviews from customers
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