AT3 Tactical

Up to 20% Off AR-15 Uppers & Accessories | Shop Now

LBE Unlimited AR-15 Castle Nut

LBE Unlimited AR-15 Castle Nut

Based on 4 reviews

SKU: ARCNUT  |  UPC: 765857617329

Out of Stock

Join the waitlist to be emailed when this product becomes available
Orders will Ship within 1 Business Day
LBE Unlimited Warranty!
TOP ADD-ON'S
Black

LBE Unlimited Buffer Tube for AR-15 – MILBUFKT

$54.99

LBE Unlimited AR-15 Castle Nut

The LBE Unlimited AR15 Castle Nut is an essential tool for keeping your firearm secure and in place. These AR15 Lower Parts, manufactured by the trusted experts at LBE Unlimited, are machined from 4140 steel and coated with manganese phosphate to resist corrosion and abrasions. This coating also ensures that the LBE Unlimited AR15 Steel Castle Nut is durable and long lasting, making it the perfect tool for the job.

Made in the USA, the LBE Unlimited AR15 Castle Nut is a solid part that will stay secure to your firearm’s buffer tube, ensuring it’s functioning at its best.

Installation

Specifications

  • Brand: LBE Unlimited
  • Model: AR15 Castle Nut
  • Fit: AR15/AR10 Buffer Tubes
  • Material: 4140 steel
  • Finish: Manganese Phosphate
  • Color: Black
  • Weight: 5 oz

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

LBE Unlimited Warranty

  • For warranty information about LBE Unlimited products, you can email them directly at info@lbeunlimited.com
5 4 reviews
1
0%
2
0%
3
0%
4
0%
5
100%
5 4 reviews
1
0%
2
0%
3
0%
4
0%
5
100%
Leave your review
Rating
Publish review

Customers who viewed this item also viewed these products

(2)

Strike Industries Enhanced AR-15 Castle Nut with Extended QD Endplate
Elevate Your AR-15 with Strike Industries’ Enhanced Castle Nut and End Plate The Strike
4 Options
from $57.95
View
LBE Unlimited AR-15 Mil-Spec Buffer Tube - AT3 Tactical

LBE Unlimited AR-15 Mil-Spec Buffer Tube
LBE Mil-Spec AR-15 Buffer Tube A high quality, US-made buffer tube is a crucial
4 Options
from $29.00
View
LBE Unlimited AR-15 Barrel Nut
(2)

LBE Unlimited AR-15 Barrel Nut
LBE Unlimited Standard AR15 Barrel Nut Compatible with any standard AR-15 upper, the LBE
Only
$10.99
LBE Unlimited .308 Barrel Nut

LBE Unlimited .308 Barrel Nut
AR .308 Barrel Nut Made in The USA
Only
$25.99
AT3 Tactical Castle Nut for AR15
(103)

AT3™ Castle Nut for AR-15 Buffer Tubes – 9 Colors...
Secure Your AR15 Buffer Assembly with a Steel Castle Nut This steel castle nut
9 Options
from $4.49
View
Fortis K1 Enhanced End Plate with Friction-Fit Castle Nut - AT3 Tactical
(6)

Fortis K1 Enhanced End Plate with Tapered Castle Nut for...
Lightweight AR-15 Castle Nut and Endplate with Friction Fit Fortis created the two-piece K1
7 Options
from $37.95
View
Fortis Standard AR-15 Castle Nut - AT3 Tactical
(2)

Fortis Standard AR-15 Castle Nut
Lightweight Aluminum Castle Nut Only a third of the weight of a mil-spec steel
Only
$11.35
LBE Unlimited AR-15 Trigger Guard - AT3 Tactical

LBE Unlimited AR-15 Trigger Guard
Durable Aluminum Trigger Guard For the AR-15 The LBE Unlimited AR-15 Trigger Guard works
Only
$4.99
Armorer's Wrench for AR-15 & Multi-Function Tool by AT3™
(127)

Armorer’s Wrench for AR-15 Multi-Function Tool by AT3™
This perfect tool for AR builds that allows installation & removal of barrel nuts,
Only
$22.99

LBE Unlimited AR-15 Pistol Buffer Tube Kit
LBE Unlimited AR Pistol Buffer Tube Kit The LBE Unlimited AR Pistol Buffer Tube
Only
$54.99
LBE Unlimited AR-15 A2 Rifle Buffer

LBE Unlimited AR-15 A2 Rifle Buffer
AR15/M16 Rifle Length Standard Recoil Buffer
Only
$18.99
Odin Works MPX Extended Magazine Release
(1)

Odin Works MPX Extended AR-15 Magazine Release
Increase Your Shooting Speed With An MPX Extended Magazine Release The Odin Works MPX
2 Options
from $46.55
View

Frequently purchased together

Lancer Advanced Warfighter Gen 2 30 Round AR-15 Magazine
(4)

Lancer L5AWM GEN 2 Advanced Warfighter .223/5.56 NATO AR-15 Magazine...
Lancer Gen 2 30 Round Magazines – 5.56 NATO The Lancer Gen 2 Advanced
6 Options
from $19.99
View
(1)

Strike Industries Extended Forward Assist for AR -15
Accelerate Your AR: Strike Industries Extended Forward Assist Enhance your AR’s functionality and aesthetic
4 Options
from $22.95
View
(3)

Hexmag Tactical Grip Tape
Instantly Add Texturing to Hexmag Magazines and Grips Hexmag perhaps has the most unique
2 Options
from $5.99
View
RECOMMENDED
Magpul PMAG M3 30 Round Window - .223 / 5.56 NATO - MAG556
(8)

Magpul PMAG M3 w/Window .223/5.56 NATO AR-15 Magazine – 30...
The All-in-One 30-Round Magazine For Absolute Performance The Magpul PMAG M3 Window is a
2 Options
from $18.00
View
(1)

Luth-AR AR-15 Carbine Buffer Spring
Luth-AR Carbine Buffer Spring for AR-15 This AR-15 buffer spring from Luth-AR is a
Only
$4.94
(16)

Odin Works XMR3 AR-15 Extended Magazine Release – Gen 3
Largest Profile Mag Release For Faster Magazine Reloads The Odin Works XMR3 Extended Magazine
5 Options
from $22.80
View
Magpul XTM Enhanced Rail Panels - Picatinny Rail Covers - MAG510
(20)

Magpul XTM Enhanced Rail Panels – Picatinny Rail Covers –...
Designed For A Better Grip And Improved Weapon Control The Magpul XTM Enhanced Rail
4 Options
from $11.35
View
Radian Weapons Talon Ambidextrous Safety Selector 2-Lever Kit - AR15
(12)

Radian Weapons Talon Ambidextrous Safety Selector 2-Lever Kit – AR-15
Ambidextrous design, plus the option for traditional 90° throw or 45° short throw The
4 Options
from $64.95
View
Sale!
Die Free Kung Fu Grip AR-15 Pistol Grip
(18)

Die Free Co Kung Fu Grip AR-15 Pistol Grip
Gain Ultimate Control with the Kung Fu Grip The Kung Fu Grip is one
4 Options
from $18.00
from $16.20
View
RECOMMENDED
(20)

Timber Creek Outdoors AR Oversized Trigger Guard – AR-OTG
Precision-Machined Winter Trigger Guard from Timber Creek Machined from aircraft grade billet aluminum, this
8 Options
from $19.19
View
(6)

AT3™ Aeroshell 64/33MS Grease for AR-15 Barrel Nut – 1/2...
Mil-Spec Aeroshell 64 / 33MS Barrel Nut Grease from AT3 Aeroshell 64 (formerly 33MS)
Only
$8.99
Hexmag Series 2 5.56 30rd Magazine
(70)

Hexmag Series 2 .223/5.56 NATO AR-15 Magazine – 30 Round
An All-around Magazine for Any Shooter – Lightweight and Extremely Durable The Hexmag Series
4 Options
from $13.59
View

Questions & Answers

Don't see the answer
you're looking for?

Loading questions...

Popular:
handguardmagpulbuffer tubebcgcharging handleforegrippmagslingstockbuffer

Sign in

Orders, tracking, Gun Bucks and saved addresses.

New to AT3? Create an account

Create an account

Track orders, earn Gun Bucks on every purchase, check out faster.

8+ characters with at least one letter and one number.

By creating an account you agree to the Terms of Use and Privacy Policy.

Already have an account? Sign in

Free Shipping On orders over $139

You will receive free shipping for all orders over $139

Shipping cost is $8.99 for orders under $139. We ship with UPS, Fedex, or USPS, depending on the item.
You will receive an email with tracking information at the time of shipment. We may ship your order from multiple warehouses based on available inventory.

Learn More Add to Cart