CSS M4 CAR Buffer Tube Lock Ring Castle Nut

Machined from 4140 steel with a manganese phosphate coating, the Castle Nut is an excellent replacement part or is ideal when building new rifles.
Locks your CAR buffer tube down secure.

By purchasing CSS M4 CAR Buffer Tube Lock Ring Castle Nut from our online store, you are guaranteed to receive a high-quality item. We work with trusted brands to offer shooting and hunting enthusiasts, both amateur and professional, quality products at a reasonable price. Choosing to buy from us means opting for quality and practicality