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CASTLE NUT - STEEL

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Colonel Mustard steel castle nut for attaching milspec and commercial spec AR buffer tubes - for AR builds! CMCNS.
Part Number: CMCNS
Availability: Out of Stock.

Colonel Mustard steel castle nut for attaching AR buffer tubes - ideal for AR builds!

  • This castle nut fits both milspec and commercial spec buffer tubes.
  • Weight: 18g
Please note that the tolerances are tight on this castle nut - it fits regular anodised buffer tubes properly but can be tight or even unusable on 'coated' buffer tubes like those from Timber Creek Outdoors. If you're using on a coated buffer tube and you find it's too tight, back it off and use an alternative castle nut.

Model: Colonel Mustard CMCNS

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