Seekins Precision Seekins Precision Mil-Spec Castle NutAR-15

Specifications

Mfr data
Weight
0.66 oz
finish
Phosphate
material
High Carbon Steel
mil spec
Yes
warranty
Limited lifetime
wrench size
Standard AR-15 castle nut wrench
staking type
Traditional staking notches
thread pitch
1-3/16-16 TPI
color options
Black
compatible with
Mil-spec carbine buffer tubes,Commercial carbine buffer tubes
country of origin
USA
Seekins PrecisionLCL-P-6585

Seekins Precision Mil-Spec Castle Nut

Seekins Precision has built a reputation on precision-machined billet aluminum and steel AR-15 components, and their mil-spec castle nut is included in their Enhanced Builder's Kit lower parts offering.

Castle Nut0.66 oz
Best price today$8.00
Best price

Price comparison — 3 offers

By price
Unknown RetailerBest price
$8.00
Seekins Precision (Direct)Stale
$8.00Buy →
Wing TacticalStale
$8.99Buy →

Affiliate disclosure: Loadout Combat Lab may earn a commission from qualifying purchases made through retailer links. Rankings are by price — never sponsored.

← Back to parts

Fits These Platforms

AR-15

Similar Parts

Noveske Rifleworks

Noveske N4 Parkerized Castle Nut

Castle Nut$8.00

Timber Creek

Timber Creek Steel Castle Nut, Black, TC CN

Castle Nut$7.99

AIM Sports Inc

AIM Sports Inc AR Castle Nut, Black, Small, ARCN

Castle Nut$7.99

BCM

Castle Nut

Castle Nut$8.64

Spike's Tactical

Spike's Tactical Lightweight Chromoly Castle Nut (SLA501N-LW)

Castle Nut$8.96

Aero Precision

Aero Precision Receiver Extension Lock Nut

Castle Nut$8.99