SAG S20198 K31 Optics Rail - Reversible 1913 Mount
- $293
In short: SAG S20198 adds a 1913 optics interface to the K31 platform without drilling or tapping. It uses the original rear-sight base and can be removed to return the platform to its original configuration.
Compatibility checkpoint
- Confirmed platform: K31.
- Mounting base: original K31 rear-sight base.
- Optics interface: 1913 rail.
- Modification requirement: no drilling or tapping.
- Model: S20198.
Selection rule: Choose S20198 when a removable 1913 optics interface is required for a K31. Confirm that the original rear-sight base is present before ordering.
Purpose
The rail provides a stable mounting surface for compatible 1913 optics while preserving a reversible installation path. Its rear-sight-base position keeps the interface aligned with the K31 platform and avoids permanent receiver changes.
Technical specifications
| Platform | K31 |
|---|---|
| Mounting base | Original K31 rear-sight base |
| Optics interface | 1913 rail |
| Installation type | Reversible; no drilling or tapping |
What's in the box
- SAG S20198 K31 optics rail × 1
Installation
Install S20198 at the original K31 rear-sight base. The manufacturer describes an approximately 20-minute installation and a reversible return to the original configuration. Confirm alignment and fastener security before use.
Frequently asked questions
Which platform fits S20198?
S20198 is designed for the K31 platform.
Where does the rail attach?
It uses the original K31 rear-sight base as its mounting interface.
Does installation require drilling or tapping?
No. The installation is reversible and does not require drilling or tapping.
Which optics interface does it provide?
S20198 provides a 1913 rail for compatible optics mounts.
SAG Specs
General
Mounting & Rails
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