User Ratings
No ratings yet
Be the first to review this product
- Echo Zulu Castle Nut System EZ castle nut is made from premium 4140 PH alloy steel and finished in diamond hard black nitride.
- Precision machined on a Swiss CNC lathe to mil-spec tolerances, including true class 3 threads.
- Eight co-linear wrench and staking notches for faster staking.
Specifications
- Manufacturer:
- Echo Arms
- Category:
- misc-parts
- UPC:
- 197644347537
- MPN:
- ECHO ZULU CASTLE NUT
- Required Component:
- No
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Have one to sell?
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$14.99
Lowest
$14.99
Highest
$14.99
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products
BCM AR-15 Forward Assist Assembly
Bravo Company Manufacturing (BCM)
$16.95
Geissele AR-15 Ultra Precision 5-Axis Trigger Guard DDC
Geissele Automatics
$33.86
Strike Industries Cobra Billet Aluminum Trigger Guard AR Platform Red
Strike Industries
$29.95
AimSports MT017 Detachable Carry Handle Mount (AR) Aluminum Black
Aim Sports Inc
$18.30
Arisaka Defense LB-600 600 Series Weaponlight Body for SureFire M600 Black
Arisaka Defense
$50.00
AR-15 LPK Pin and Detent Kit
Unknown
$20.00
Aero Precision EPC Buffer Kit 7.7 oz Enhanced Carbine Buffer Tube
Aero Precision
$85.99
Rosco Manufacturing Bloodline AR-15 .300 AAC Blackout Threaded Barrel
Rosco Manufacturing
$274.45