Buffer Tube Castle Nut, Mil-Spec / Commercial
This castle nut threads onto your buffer tube (receiver extension) to lock the tube and receiver end plate in place against the lower receiver. It works with both mil-spec and commercial buffer tubes.
Specifications
- Part: Buffer tube castle nut
- Fits: Mil-spec and commercial buffer tubes
- SKU: JLB-BCN
Related Buffer Parts
Pair it with a steel receiver end plate or QD end plate, or get everything in our carbine buffer tube kit.
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Buffer nut
Haven’t fired it yet, but it fit well
