End Plates & Castle Nuts

End plates and castle nuts are essential hardware for securing your buffer tube and completing your lower receiver build. We carry mil-spec parts along with upgraded options like QD sling plates and anti-rotation designs. Small parts, big reliability—don’t cut corners here.

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  • Magpul ASAP QDMagpul ASAP QD

    Magpul ASAP QD End Plate

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    Original price was: $29.95.Current price is: $28.45.
  • Magpul ASAPMagpul ASAP

    Magpul ASAP End Plate – Snap Hook

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    Original price was: $33.95.Current price is: $32.25.
  • BCM Gunfighter QD End PlateBCM Gunfighter QD End Plate

    BCM Gunfighter QD End Plate

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    Original price was: $20.00.Current price is: $17.00.
  • SLR Rifleworks Enhanced Castle Nut and EndplateSLR Rifleworks Enhanced Castle Nut and Endplate

    SLR Rifleworks Enhanced Castle Nut and Endplate

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    $39.95
  • B5 Systems QD End Plate

    B5 Systems QD End Plate

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    $19.99
  • AR-15 castle nut

    Luth-AR Castle Nut for AR15

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    Original price was: $5.05.Current price is: $4.75.