Loading Gun Wise

[SYS.ONLINE]Mattoon, Illinois - Mission Ready

Parts & Accessories

Loading...

Loading...

Mission-ready firearms, ammunition, optics, and range gear for responsible owners who value precision and performance.

Loading...

© 2026 GUN WISE. ALL RIGHTS RESERVED.

ALL FIREARM SALES ARE SUBJECT TO FEDERAL, STATE, AND LOCAL LAW.

[SYS.ONLINE]Mattoon, Illinois - Mission Ready

Parts & Accessories

Home
Parts & Accessories
Castle Nut Steel Black for AR-Platform

Loading...

Home
Parts & Accessories
Castle Nut Steel Black for AR-Platform

Loading...

Price

$9.29

Castle Nut Steel Black for AR-Platform

Ergo

Works with Commercial, Military & Hybrid Buffer Tubes Fits: AR-15 and all AR VariantsFull description

Works with Commercial, Military & Hybrid Buffer Tubes Fits: AR-15 and all AR Variants

Loading...

Technical specifications

MPN: 4971B
UPC: 810049123000
Brand: Ergo
Material: Steel

Pricing

$9.29

Loading...

Shop

Firearms
Ammunition
Optics & Sights
Shooting Accessories
Featured Products

Support

Shipping & Returns
Contact Us
My Account
Order History
Cart

Company

About Us
Privacy Policy
Terms & Conditions
Gift Certificate Inquiries

Loading...

Price

$9.29

Castle Nut Steel Black for AR-Platform

Ergo

Works with Commercial, Military & Hybrid Buffer Tubes Fits: AR-15 and all AR VariantsFull description

Works with Commercial, Military & Hybrid Buffer Tubes Fits: AR-15 and all AR Variants

Loading...

Technical specifications

MPN: 4971B
UPC: 810049123000
Brand: Ergo
Material: Steel

Pricing

$9.29

Loading...

Ergo 4971B Castle Nut Steel Black for AR-Platform

Ergo 4971B Castle Nut Steel Black for AR-Platform

Ergo 4971B Castle Nut Steel Black for AR-Platform

Ergo 4971B Castle Nut Steel Black for AR-Platform

2 available

Low stock — this item may sell out before checkout is complete.

2 available

Low stock — this item may sell out before checkout is complete.

Similar products

Closest matches by brand, type, and specifications.

Loading...

Similar products

Closest matches by brand, type, and specifications.

Loading...

Out of stock

Tapco TAP22060 Castle Nut Steel Black Anodized AR Platform

Tapco TAP22060 Castle Nut Steel Black Anodized AR Platform

MPN: TAP22060
UPC: 810122800576

$4.99

Best Price In Cart

Add to cart for best price

In stock

Strike ARECN&EEPFDE AR Castle Nut and Extended End Plate Flat Dark Earth Anodized Steel

Strike ARECN&EEPFDE AR Castle Nut and Extended End…

MPN: ARECN&EEPFDE
UPC: 708747547078

$59.95

Ready to ship

In stock

Strike ARECN&EEPRED AR Castle Nut and Extended End Plate Steel

Strike ARECN&EEPRED AR Castle Nut and Extended End Plate Steel

MPN: ARECN&EEPRED
UPC: 708747545609

$59.95

Ready to ship

In stock

Strike ARECN&EEPBLU AR Castle Nut and Extended End Plate Steel

Strike ARECN&EEPBLU AR Castle Nut and Extended End Plate Steel

MPN: ARECN&EEPBLU
UPC: 708747545616

$59.95

Ready to ship

In stock

Strike Industries ARMFEP&ACN Multi-Function End Plate and Castle Nut Steel Black

Strike Industries ARMFEP&ACN Multi-Function End Plate and Castle…

MPN: ARMFEP&ACN
UPC: 708747546309

$34.95

Ready to ship

In stock

Timber Creek Outdoors GSTEPD Greyman QD End Plate Steel Desert AR-Platform

Timber Creek Outdoors GSTEPD Greyman QD End Plate…

MPN: GSTEPD
UPC: 816397028998

$23.99

Best Price In Cart

Add to cart for best price

In stock

Timber Creek Outdoors GSTEPF Greyman QD End Plate Steel Forest AR-Platform

Timber Creek Outdoors GSTEPF Greyman QD End Plate…

MPN: GSTEPF
UPC: 816397029001

$23.99

Best Price In Cart

Add to cart for best price

In stock

LBE Unlimited ARLPLT Receiver End Plate Steel Black Phosphate Mag Phosphate AR-15

LBE Unlimited ARLPLT Receiver End Plate Steel Black…

MPN: ARLPLT
UPC: 765857617336

$4.49

Ready to ship

Out of stock

Tapco TAP22060 Castle Nut Steel Black Anodized AR Platform

Tapco TAP22060 Castle Nut Steel Black Anodized AR Platform

MPN: TAP22060
UPC: 810122800576

$4.99

Best Price In Cart

Add to cart for best price

In stock

Strike ARECN&EEPFDE AR Castle Nut and Extended End Plate Flat Dark Earth Anodized Steel

Strike ARECN&EEPFDE AR Castle Nut and Extended End…

MPN: ARECN&EEPFDE
UPC: 708747547078

$59.95

Ready to ship

In stock

Strike ARECN&EEPRED AR Castle Nut and Extended End Plate Steel

Strike ARECN&EEPRED AR Castle Nut and Extended End Plate Steel

MPN: ARECN&EEPRED
UPC: 708747545609

$59.95

Ready to ship

In stock

Strike ARECN&EEPBLU AR Castle Nut and Extended End Plate Steel

Strike ARECN&EEPBLU AR Castle Nut and Extended End Plate Steel

MPN: ARECN&EEPBLU
UPC: 708747545616

$59.95

Ready to ship

In stock

Strike Industries ARMFEP&ACN Multi-Function End Plate and Castle Nut Steel Black

Strike Industries ARMFEP&ACN Multi-Function End Plate and Castle…

MPN: ARMFEP&ACN
UPC: 708747546309

$34.95

Ready to ship

In stock

Timber Creek Outdoors GSTEPD Greyman QD End Plate Steel Desert AR-Platform

Timber Creek Outdoors GSTEPD Greyman QD End Plate…

MPN: GSTEPD
UPC: 816397028998

$23.99

Best Price In Cart

Add to cart for best price

In stock

Timber Creek Outdoors GSTEPF Greyman QD End Plate Steel Forest AR-Platform

Timber Creek Outdoors GSTEPF Greyman QD End Plate…

MPN: GSTEPF
UPC: 816397029001

$23.99

Best Price In Cart

Add to cart for best price

In stock

LBE Unlimited ARLPLT Receiver End Plate Steel Black Phosphate Mag Phosphate AR-15

LBE Unlimited ARLPLT Receiver End Plate Steel Black…

MPN: ARLPLT
UPC: 765857617336

$4.49

Ready to ship