AR-15Specifications
Mfr data- Weight
- 0.67 oz
- finish
- Phosphate
- material
- Steel
- mil spec
- Yes
- warranty
- Lifetime
- wrench size
- Standard AR-15 castle nut wrench
- staking type
- Traditional staking notches
- 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
Phase 5LCL-P-6578
Phase 5 AR-15 Receiver Extension Castle Nut
Phase 5 Weapon Systems produces this mil-spec castle nut as part of their broader line of AR-15 buffer tube components, with the same quality standards found in their complete pistol buffer tube assemblies and rifle kits.
Castle Nut0.67 oz
Best price today$5.00
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