Image unavailable
Arcalocak 12'''' Keymod Attachment - Arcalock 12'''' Keymod To Arca Swiss Rail Adapter
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$100.00
View on Brownells
You'll be taken to Brownells to complete your purchase.
Hunter's Outpost earns a commission from affiliate links at no extra cost to you.
SKU: 100032674
Overview
This 12-inch KeyMod attachment is built to extend mounting options along the stock forend and provide a secure interface for ARCA-style accessories on precision rifles. Its serrated rail sides are designed to work with Area 419’s proprietary clamp system for a mechanical lock rather than a friction-only fit. The design also emphasizes clean handling, with radiused corners and chamfered edges, and it is Type 3 hard coat anodized for added durability. For hunters and shooters setting up a rifle for stable accessory mounting, it offers a purpose-built solution without unnecessary bulk or complexity.
Why Hunters Choose the Area 419
12-inch Length
Spans the full stock forend
Mechanical Clamp
Design locks the rail in
Serrated Rail
The proprietary clamp for secure
Radiused Corners
Chamfered edges reduce sharp edges
Type 3
Hard coat anodized finish adds
Key Features
- 12-inch Keymod attachment designed to span the full stock forend length
- Converts Keymod mounting to an Arca Swiss rail interface
- Serrated rail sides work with Area 419's proprietary clamp design
- Mechanically locked fit is intended to prevent movement
- Made from 6061-T6 aluminum with Type 3 hard coat anodizing
- Rounded corners and chamfered edges for a cleaner profile
Best Used For
- Precision rifle shooters needing a full-length ARCA interface across the stock forend
- Hunters setting up a stable attachment point for supported shooting positions
- Users who prefer a mechanically locked rail interface over friction-only mounting
- Shooters wanting a low-profile attachment with radiused edges and chamfered corners
- Owners of KeyMod-equipped rifles seeking an ARCA Swiss rail adapter
Specifications
| Attachment Interface | Keymod |
|---|---|
| Blade Finish | Type 3 Hard Coat anodized |
| Features | Serrated rail sides; proprietary clamp design; no sharp edges; radiused corners; chamfered edges |
| Length | 12 in |
| Material | 6061-T6 Aluminum |
| Rail Compatibility | Arca Swiss Rail |
| Type | Keymod Attachment |
| Weight | 4.6 oz |
Pros
- 12-inch length spans the full stock forend for attachment placement.
- Mechanical clamp design locks the rail in place without relying on friction.
- Serrated rail sides interface with the proprietary clamp for secure engagement.
- Radiused corners and chamfered edges reduce sharp edges on the machined part.
- Type 3 hard coat anodized finish adds durability to the aluminum rail.
- Made from 6061-T6 aluminum for a lightweight, rigid attachment platform.
Considerations & Trade-offs
- The 12" length is intended to span a full forend, so fitment should be checked against the specific handguard setup before purchase.
- This is a KeyMod-to-Arca Swiss rail adapter, so it is only relevant for rifles configured around that mounting system.
- At 4.6 oz, it adds a measurable amount of weight compared with a minimal attachment setup.
- The design is focused on mechanical locking and precision-rifle use, which may be more than needed for hunters who only want occasional accessory mounting.
Suggested Comparisons
- ARCA rail accessories
- KeyMod rail accessories
- Precision rifle support accessories
- Rifle forend mounting systems
Suggested Accessories
- ARCA-compatible clamp
- Keymod mounting hardware
- Rifle support bag
- Tripod head
Frequently Asked Questions
What is the Arcalocak 12" Keymod Attachment used for?
It is a 12" Keymod-to-Arca Swiss rail adapter designed to provide attachment length along the stock forend.
How does this attachment lock in place?
The long description says the serrated rail sides interface with Area 419's proprietary clamp design to mechanically lock it in place, rather than relying on friction alone.
What material is it made from?
The product data lists 6061-T6 aluminum.
Does the product listing provide weight information?
Yes. The listed weight is 4.6 oz.
Are there any finish or edge details mentioned?
Yes. The product is described as Type 3 hard coat anodized, with no sharp edges, radiused corners, and chamfered edges.