Luth-AR
Luth-AR CS-02 Carbine Lock Ring Castle Nut
Secures the buffer tube on AR-pattern carbines with a castle-nut design
- Product typeOthers
- Luth-AR manufactured carbine lock ring for AR platform builds
- Castle nut design secures buffer tube during assembly
- CNC-machined steel construction resists wear under recoil
- New factory component for rifle maintenance or upgrades
Luth-AR CS-02 Castle Nut
The Luth-AR CS-02 is a carbine lock ring designed to secure a receiver extension on an AR-pattern platform. It is manufactured by Luth-AR as a replacement part for standard castle nut installations. The component is supplied new and intended for assembly or maintenance tasks.
Builders needing a castle nut
This part suits armourers or hobbyists completing a lower receiver build that requires a standard carbine castle nut. It does not suit anyone needing a complete receiver extension kit, a different thread specification, or integrated quick-detach sockets.
How it compares
Measured against everything we stock in Electric Bass Guitars, at today’s prices. Recalculated every night.
- Price $14.99
- Cheaper than about 99% of the 28 comparable items (median $411.99).
Specifications
| Product | |
|---|---|
| Brand name | LUTH-AR |
| Product type | Others |
Questions about this item
Is the CS-02 castle nut the correct part for a standard carbine buffer tube?
The CS-02 is a carbine lock ring castle nut manufactured by Luth-AR for carbine buffer tube assemblies.
How does the castle nut function once installed on the receiver extension?
It threads onto the receiver extension and the notches accept a receiver end plate to secure the buffer tube in place.
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