Skip to main content
We may get paid by partner for deals, including promoted items

Menu

Trending
Top Brands Palmetto State ArmoryHot Yeti CoolerDeal NatchezDeal SitkaDeal 5.11Sale Winter Clearance Amazon Pickleball Sale Amazon FitnessHot Stores
LBE Unlimited ARCNUT Castle Nut 4140 Steel Black Phosphate AR-15 by Lbe Unlimited -

Product Description

LBE Unlimited ARCNUT Castle Nut: Enhancing AR-15 Stability The stability and reliability of your AR-15 platform depend on a multitude of precision-engineered components working in unison. Among these, the humble yet critically important castle nut plays a pivotal role. For serious builders, dedicat

LBE Unlimited ARCNUT Castle Nut 4140 Steel Black Phosphate AR-15

at DEGuns
Browse all DEGuns deals
$7.09
In Stock at DEGuns
Price checked 5 days ago
Buy Now at DEGuns
Secure checkout Easy returns
or compare prices
Amazon logo Amazon eBay logo eBay

Product Details

Brand Lbe Unlimited
Lbe Unlimited

More from Lbe Unlimited

Pyramyd Air
Last Updated:
Aug 30, 2026 02:15 AM
LBE Unlimited Upper Receiver 5.56x45mm NATO LBE Unlimited Upper Receiver 5.56x45mm NATO View Details
$122.30
Buy Now · $122.30
Pyramyd Air
Sportsmans Outdoor Superstore
Last Updated:
Aug 30, 2026 12:07 AM
Lbe Unlimited AR15 Mil-Spec Buffer Tube Kit Lbe Unlimited AR15 Mil-Spec Buffer Tube Kit View Details
$45.99
Buy Now · $45.99
Sportsmans Outdoor Superstore
Sportsmans Outdoor Superstore
Last Updated:
Aug 30, 2026 12:07 AM
Lbe Unlimited .308 AR Charging Handle with Extended Latch Lbe Unlimited .308 AR Charging Handle with Extended Latch View Details
$38.99
Buy Now · $38.99
Sportsmans Outdoor Superstore
Sportsmans Outdoor Superstore
Last Updated:
Aug 30, 2026 12:07 AM
Lbe Unlimited AK-47 Modern Muzzle Brake 14x1 LH Lbe Unlimited AK-47 Modern Muzzle Brake 14x1 LH View Details
$21.99
Buy Now · $21.99
Sportsmans Outdoor Superstore
Sportsmans Outdoor Superstore
Last Updated:
Aug 30, 2026 12:07 AM
Lbe Unlimited .308 Mid-Length Gas Tube Lbe Unlimited .308 Mid-Length Gas Tube View Details
$17.99
Buy Now · $17.99
Sportsmans Outdoor Superstore
Sportsmans Outdoor Superstore
Last Updated:
Aug 30, 2026 12:07 AM
Lbe Unlimited AR15 Gas Tube Roll Pin 50-Pack Lbe Unlimited AR15 Gas Tube Roll Pin 50-Pack View Details
$6.99
Buy Now · $6.99
Sportsmans Outdoor Superstore
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited M16BLT Complete BCG M-16 Style 5.56x45mm NATO Black Phosphate 8620 Steel M16 LBE Unlimited M16BLT Complete BCG M-16 Style 5.56x45mm NATO Black Phosphate 8620 Steel M16 View Details
$132.99
Buy Now · $132.99
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited AR-15 5.56 Bolt Carrier Group - NIB Coated LBE Unlimited AR-15 5.56 Bolt Carrier Group - NIB Coated View Details
$138.99
Buy Now · $138.99
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited ARUPPER Upper Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Receiver for AR-15 Includes Forward Assist LBE Unlimited ARUPPER Upper Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Receiver for AR-15 Includes Forward Assist View Details
$113.29
Buy Now · $113.29
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited ARCHAS Mil-Spec Carry Handle Black AR-15 LBE Unlimited ARCHAS Mil-Spec Carry Handle Black AR-15 View Details
$96.49
Buy Now · $96.49
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited AR15LPKT Complete Lower Parts Kit w/Pistol Grip & Trigger Guard AR-15 Black LBE Unlimited AR15LPKT Complete Lower Parts Kit w/Pistol Grip & Trigger Guard AR-15 Black View Details
$65.39
Buy Now · $65.39
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited ARBLTKT AR Bolt Kit AR-Platform Bolt Carrier Group Steel LBE Unlimited ARBLTKT AR Bolt Kit AR-Platform Bolt Carrier Group Steel View Details
$62.59
Buy Now · $62.59
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited ARLGB-R Low Profile Gas Block .750" Rifle Length Gas Tube Black Nitride Steel LBE Unlimited ARLGB-R Low Profile Gas Block .750" Rifle Length Gas Tube Black Nitride Steel View Details
$48.59
Buy Now · $48.59
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited MILBUFKT Mil-Spec Buffer Tube Kit 6 Position AR-15 Black LBE Unlimited MILBUFKT Mil-Spec Buffer Tube Kit 6 Position AR-15 Black View Details
$46.39
Buy Now · $46.39
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited ARLGB-M Low Profile Gas Block .750" Mid-Length Gas Tube Black Nitride Steel LBE Unlimited ARLGB-M Low Profile Gas Block .750" Mid-Length Gas Tube Black Nitride Steel View Details
$46.19
Buy Now · $46.19
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited ARBUFF-H3 H3 Recoil Buffer Carbine Length AR-15 Silver Aluminum LBE Unlimited ARBUFF-H3 H3 Recoil Buffer Carbine Length AR-15 Silver Aluminum View Details
$107.69
Buy Now · $107.69
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited ARLGB-P Low Profile Gas Block .750" Pistol Length Gas Tube Black Nitride Steel LBE Unlimited ARLGB-P Low Profile Gas Block .750" Pistol Length Gas Tube Black Nitride Steel View Details
$41.29
Buy Now · $41.29
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited ARLGB-C Low Profile Gas Block .750" Carbine Length Gas Tube Black Nitride Steel LBE Unlimited ARLGB-C Low Profile Gas Block .750" Carbine Length Gas Tube Black Nitride Steel View Details
$40.59
Buy Now · $40.59
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited AR308ELCH Extended Latch Charge Handle Black 7075-T6 Aluminum AR-10 LBE Unlimited AR308ELCH Extended Latch Charge Handle Black 7075-T6 Aluminum AR-10 View Details
$39.89
Buy Now · $39.89
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:27 PM
LBE Unlimited ARCHEL Extended Latch Charge Handle AR-15, AR-10 Black 7075-T6 Aluminum LBE Unlimited ARCHEL Extended Latch Charge Handle AR-15, AR-10 Black 7075-T6 Aluminum View Details
$37.69
Buy Now · $37.69
DEGuns