Armacon ARM-323 1 3/16-inch Receiver Extension Locknut
- $29
In short: Armacon ARM-323 1 3/16-inch Receiver Extension Locknut connects 1 3/16-inch receiver-extension thread with compatible adapter and end plate to locknut retention with wrench and staking notches.
Compatibility matrix
| Documented hosts | compatible Mil-Spec and Com-Spec receiver-extension assemblies |
|---|---|
| Required interface | 1 3/16-inch receiver-extension thread with compatible adapter and end plate |
| Resulting interface | locknut retention with wrench and staking notches |
| Do not select for | other thread sizes and incompatible proprietary receiver-extension interfaces |
Selection checkpoint: Confirm the exact host, configuration and interface before ordering. Similar dimensions do not confirm compatibility.
Technical specifications
| Part number | ARM-323 |
|---|---|
| Construction | Hardened steel with corrosion-resistant surface treatment |
| Documented specification | Wrench notches plus angled end-plate staking notches |
| Packaging | Zip-lock package |
Installation
Thread onto the compatible assembly and tighten with a dedicated receiver-extension locknut wrench; use the end-plate staking provisions where required.
What's in the Box
| ARM-323 locknut ×1 | Manufacturer package |
Frequently asked questions
Which hosts are documented?
compatible Mil-Spec and Com-Spec receiver-extension assemblies.
Which interface is required?
1 3/16-inch receiver-extension thread with compatible adapter and end plate.
What interface does it provide?
locknut retention with wrench and staking notches.
What should be checked before ordering?
Confirm the exact host, configuration and interface rather than relying on visual similarity.
Zenitco Specs
General
Mounting & Rails
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