ATI Outdoors ADV TECH AR15 CASTLE NUT
$6.12
The ADV TECH AR15 Castle Nut from ATI Outdoors is an essential component for securing your buffer tube on the AR-15 platform, known for its reliability and performance. Crafted with precision, this castle nut enhances the functionality of your build, making it a must-have for any serious AR-15 enthusiast. Trust ATI Outdoors to deliver the quality needed for your firearm accessories.
26 in stock
ATI Outdoors AR-15 Castle Nut, Black A.5.10.1020
| Weight | 0.063 lbs |
|---|---|
| Dimensions | 5.000 × 2.750 × 0.500 in |
| Manufacturer | ATI Outdoors |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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