ANT SUPPLIES LTD
Free postage and packaging, UK mainland.
AR BUTTSTOCK CASTLE NUT
For AR / M series style rifles.
AR-15 BUTTSTOCK CASTLE NUT
STEEL£6.00p each
Steel.
Weighs ~ 18 grams.
ALLOY£9.00p each
SOLD OUT
Alloy.
Weighs ~ 6 grams.
AR-15 castle nut for securing a buffer tube to your lower receiver.
CNC machined with a black anodised finish.
Mil-Spec fitting, should fit all Mil-spec tube threads, and most Comm-spec.
Internal diameter approx 28.5mm.
External diameter approx 35mm.
Thread code ~ 1 3/16 inch UN16.
We can also supply the alloy version with silver or gold coloured finish by special request.
As well as barrel nuts for MK18 handguards, AR15 style standard free floating and round type free float quad rail handguards.
Also available ~ Retractable Buffer Tube Kits and Matching Alloy Sling Plate Receiver.
STEEL:
The current batch have notches / indentations for staking the end plate to the castle nut
(usually only required for military use), some batches are without them.
ALLOY:
