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Anderson Manufacturing AR-15 Buffer Tube Castle Nut
Firearm-compatible AR-15 castle nut with steel construction, manganese phosphate finish, wrench cutouts, and MIL-SPEC buffer tube fitment.
Collection
Anderson Manufacturing offers practical AR-pattern components for builders who need dependable parts without unnecessary complexity. This collection currently focuses on buffer tube hardware and related build components for compatible platforms. These parts may also matter for some paintball, airsoft, or training builds that use AR-style stocks, adapters, or furniture. Always verify thread pattern, buffer tube type, and platform compatibility before ordering.


Firearm-compatible AR-15 castle nut with steel construction, manganese phosphate finish, wrench cutouts, and MIL-SPEC buffer tube fitment.

Firearm-compatible AR-15 carbine buffer tube with Mil-Spec diameter, 7075-T6 aluminum construction, hardcoat anodized finish, and 6-position adjustment.