AR-15Specifications
Mfr data- Weight
- 0.66 oz
- finish
- Phosphate / Parkerized
- material
- High Carbon Steel
- mil spec
- Yes
- warranty
- Varies by manufacturer
- wrench size
- Standard AR-15 castle nut wrench (1-3/16" across flats)
- staking type
- Traditional staking notches (TDP specification, 3-notch, 45-degree cut)
- thread pitch
- 1-3/16-16 TPI
- color options
- Black
- compatible with
- Mil-spec carbine buffer tubes,Commercial carbine buffer tubes,All standard AR-15/M4/M16 receiver extensions
- country of origin
- USA
Generic / Mil-SpecLCL-P-6593
Generic / Mil-Spec Standard Mil-Spec AR-15 Castle Nut
The standard mil-spec castle nut is the foundational locking component for every AR-15 carbine with an adjustable stock, securing the receiver extension and end plate to the lower receiver.
Castle Nut0.66 oz
Best price today$4.00
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