Armacon ARM-431 185 mm Mil-Spec Receiver Extension
- $129
In short: Armacon ARM-431 185 mm Mil-Spec Receiver Extension connects compatible receiver-extension thread, end plate and locknut to 185 mm seven-position Mil-Spec stock interface.
Compatibility matrix
| Documented hosts | compatible AR-standard and adapter-based configurations accepting this receiver-extension thread |
|---|---|
| Required interface | compatible receiver-extension thread, end plate and locknut |
| Resulting interface | 185 mm seven-position Mil-Spec stock interface |
| Do not select for | Com-Spec-only stocks and adapters without a compatible receiver-extension thread |
Selection checkpoint: Confirm the exact host, configuration and interface before ordering. Similar dimensions do not confirm compatibility.
Technical specifications
| Part number | ARM-431 |
|---|---|
| Construction | Aluminum with durable black anodized finish |
| Documented specification | 185 mm; seven positions; Mil-Spec diameter; faceted profile; end-plate recess |
| Packaging | Individual box |
Installation
Thread into a compatible interface, align the end plate and tighten the locknut with a dedicated receiver-extension locknut wrench.
What's in the Box
| ARM-431 185 mm Mil-Spec receiver extension ×1 | Manufacturer package |
Frequently asked questions
Which hosts are documented?
compatible AR-standard and adapter-based configurations accepting this receiver-extension thread.
Which interface is required?
compatible receiver-extension thread, end plate and locknut.
What interface does it provide?
185 mm seven-position Mil-Spec stock interface.
What should be checked before ordering?
Confirm the exact host, configuration and interface rather than relying on visual similarity.
Zenitco Specs
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