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American Defense GS-3345: Rail Mount Offset QD Swivel Mod 3
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: GS-3345
Overview
Built for sling attachment on a railed firearm, this offset QD swivel mount gives shooters a forward mounting point for two- or three-point sling setups with an auxiliary adapter. Its flush fit with Tango Down rail panels helps preserve uninterrupted rail space, while the anti-rotation socket is intended to keep the sling from twisting during carry. The 45-degree offset is suited to chest carry in a ready position, and the Mod 3 design adds 8 clock-position indexing along with a reduced-weight configuration. Installation is supported by the included hardware, hex key, and Vibra-Tite thread locking compound.
Why Hunters Choose the American Defense Mfg
Forward Mounting
An auxiliary adapter
Flush Fit
Tango Down rail panels helps
Socket Is
Designed and machined to prevent
Offsets Quick
Detach swivel 45 degrees for
Mod 3
Components offer 8 clock positions
Key Features
- Provides a forward mounting location for American Defense MFG two- or three-point sling use with auxiliary adapter.
- Fits flush with Tango Down rail panels to help preserve uninterrupted rail space.
- Offset quick detach swivel 45 degrees for a more natural hang when slung across the chest.
- Socket is designed and machined to prevent rotation and sling twisting.
- Mod 3 components feature a 30% reduction in weight and 8 swivel index positions.
- Includes mounting hardware, screws, hex keys, and Vibra-Tite for installation.
Best Used For
- Hunters using American Defense MFG two- or three-point slings with auxiliary adapters
- Users wanting a forward rail-mounted sling attachment with a 45-degree offset
- Rifle setups needing a flush fit with Tango Down rail panels
- Shooters who prefer an anti-rotation QD swivel to help prevent sling twist
- Owners seeking included hardware and thread locker for straightforward installation
Specifications
| Base Finish | Military Specification (MIL-A-8625F) Type III, Class II |
|---|---|
| Base Material | 6061-T6 Aluminum |
| Cnc Machined | Precision CNC machined from billet stock |
| Compatibility | American Defense MFG two or three point sling with auxiliary adapter |
| Compliance | 100% Berry Amendment Compliant |
| Country Of Origin | Made In The USA |
| Hard Coat Index Material | 1144 StressProof heat treated steel |
| Hex Key Size | 9/64th |
| Included Accessories | All mounting hardware, screws, hex keys, Vibra-Tite |
| Index Finish | Nitrocarburising by Nitrotec |
| Index Positions | 8 clock positions |
| Mod Version | Mod 3 |
| Mount Type | Rail Mount Offset QD Swivel |
| Offset Angle | 45 degrees |
| Rail Panel Fit | Flush with Tango Down rail panels |
| Rotation Prevention | Designed and machined to prevent rotation |
| Thread Locking Compound | Vibra-Tite VC3 |
| Weight | 1.60 ozs |
| Weight Reduction | 30% reduction in weight |
Pros
- Provides a forward mounting location for two- or three-point sling use with an auxiliary adapter.
- Flush fit with Tango Down rail panels helps maintain uninterrupted rail space.
- Socket is designed and machined to prevent rotation and sling twisting.
- Offsets the quick detach swivel 45 degrees for a more natural chest carry position.
- Mod 3 components offer 8 clock positions for swivel indexing.
- Includes mounting hardware, hex keys, and Vibra-Tite for installation.
Considerations & Trade-offs
- Designed for use with American Defense MFG two- or three-point slings and an auxiliary adapter, so it is not a universal sling solution.
- The 45-degree offset changes how the weapon hangs across the chest; that may be preferred for some setups but is a fit-and-feel choice rather than a one-size-fits-all layout.
- It is intended to sit flush with Tango Down rail panels, which helps preserve rail space but also ties the mount to that panel style.
- Installation is supported with included hardware and thread locker, but it still requires proper rail mounting and basic tool use.
Suggested Comparisons
- Rail-mounted sling attachment
- Quick-detach swivel mount
- Two-point sling accessory
- Three-point sling accessory
Suggested Accessories
- Rail-mounted sling attachment
- Quick-detach swivel
- Thread locking compound
- Hex key set
Frequently Asked Questions
What sling setups is the GS-3345 designed to work with?
The product description says it provides a forward mounting location for users of American Defense MFG's two- or three-point sling with their auxiliary adapter.
Does this mount sit flush with the rail panels?
Yes. It is described as fitting flush with Tango Down rail panels to help maintain uninterrupted rail space.
What does the 45-degree offset do?
The mount offsets the quick detach swivel 45 degrees, which the description says allows the weapon to hang more naturally when slung across the chest in a ready position.
What comes in the package?
The package includes the Gear Sector Rail Mount Offset QD Swivel, a 9/64th hex key for securing the mount to the rail system, and Vibra-Tite VC3 thread locking compound.
What are the listed materials and finish details?
The source lists a 6061-T6 aluminum base material with a MIL-A-8625F Type III, Class II hard coat finish, plus a 1144 StressProof heat-treated steel index material with a Nitrocarburising finish by Nitrotec.