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  • Luth-AR CS-02 Carbine Lock Ring / Castle Nut 4140 Steel Manganese Phosphate
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  • Luth-AR CS-02 Carbine Lock Ring / Castle Nut 4140 Steel Manganese Phosphate

Luth-AR CS-02 Carbine Lock Ring / Castle Nut 4140 Steel Manganese Phosphate

MPN: CS-02  |  UPC: 859819007201
$4 79

In Stock


Available for purchase in 47 states See States
Available for purchase in all U.S. States except:
  • California
  • Illinois
  • Washington
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PRODUCT DESCRIPTION

This Luth-AR CS-02 Carbine Lock Ring/Castle Nut is a threaded steel ring used to retain a carbine buffer tube to the lower receiver on compatible AR-15 style platforms. Made from steel with a manganese phosphate finish, it serves as a replacement component or for new builds where a secure carbine receiver extension interface is required. Its design provides a durable connection point within the carbine stock and buffer tube assembly.

  • Steel castle nut for AR-15 carbine applications
  • Threaded ring retains carbine buffer tube to receiver
  • Manganese phosphate finish in a black appearance

Suitable for maintaining or assembling AR-style carbines, this Luth-AR CS-02 component offers a robust option for ensuring the carbine buffer tube is properly secured. Its simple, proven configuration makes it well suited for general replacement or new-build use.

    This item is not available to ship to the following state(s):
    California | Illinois | Washington
SPECS
Material 4140 Heat Treated Steel
Finish MANGANESE PHOSPHATE
SKU ACC-LUTH-CS02
Country of Manufacture No
License Requirement None
Manufacturer Luth-AR
Mfg. Part Number CS-02
UPC 859819007201
Caliber/Gauge N/A
Action N/A
Barrel Length N/A
Barrel Twist N/A
Barrel Bore Type N/A
Barrel Finish MANGANESE PHOSPHATE
Barrel Fluting N/A
Barrel Profile N/A
Mount Type N/A
Beam Color N/A
Firearm Fit AR-15
Threaded Barrel No
Condition New
Free Shipping No
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