Primary Weapons Systems The Ratchet Lock Castle Nut End Plate set works with mil-spec OR commercial buffer tubes and eliminates the need for staking. A quick upgrade to any rifle build, the Ratchet Lock Castle Nut End Plate features a QD mount and easy installation with any buffer tube.
- Works with mil-spec or commercial buffer tubes
Shipping within 1-3 business days Fedex 2 Day. All product quesions should be directed to the manufacturer. If you pay by credit card. Your billing address must match your shipping address or order will be canceled.