AR-15Specifications
Mfr data- Weight
- 0.62 oz
- finish
- Manganese Phosphate
- material
- AISI 4140 Steel
- mil spec
- Yes
- warranty
- Manufacturer's warranty
- wrench size
- Standard AR-15 castle nut wrench (34.92mm width)
- staking type
- Traditional staking notches (no staking required when used with SI Multi-Function End Plate)
- thread pitch
- 1-3/16-16 TPI
- color options
- Black
- compatible with
- Mil-spec carbine buffer tubes,Commercial carbine buffer tubes
- country of origin
- USA
Strike IndustriesLCL-P-6572
Strike Industries SI-AR-CN Standard Castle Nut
Strike Industries machines this castle nut from AISI 4140 steel and surface heat-treats it to 45-50 HRC, giving it excellent hardness and wear resistance at a budget-friendly price point. The manganese phosphate finish provides good corrosion resistance and a matte black appearance.
Castle Nut0.62 oz
Best price today$13.95
Best pricePrice comparison — 3 offers
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In stock$13.95Affiliate disclosure: Loadout Combat Lab may earn a commission from qualifying purchases made through retailer links. Rankings are by price — never sponsored.
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